Sponsored Content
Top Forums Programming how to use hex escape char with string in C? Post 302476291 by Corona688 on Wednesday 1st of December 2010 10:39:15 AM
Old 12-01-2010
"Annoyingly pedantic" is a decent description of a few corner cases in C like this. Assumptions people make about their machine (char == 8 bits) don't square perfectly with C's model of it.
 

10 More Discussions You Might Find Interesting

1. Programming

converting character string to hex string

HI Hi I have a character string which contains some special characters and I need it to display as a hex string. For example, the sample i/p string: ×¥ïA Å gïÛý and the o/p should be : D7A5EF4100C5010067EFDBFD Any pointers or sample code pls. (5 Replies)
Discussion started by: axes
5 Replies

2. Shell Programming and Scripting

Escape Char for double quote

Hi, what is the escape char for " in shell script. following way i want to write file using echo command echo "LOAD DATA infile '&1' APPEND INTO TABLE dummy_table FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' - single quote and double quote and single quote - gives error here... (1 Reply)
Discussion started by: navik_pathak
1 Replies

3. UNIX for Dummies Questions & Answers

ANSI C, char to hex conversion

Hi, I have a char buf,ch; and the buf is filled with the result from MySQL server which I get like this numbytes = recv(sock, buf, 1024, 0));I have the followingcode to display the results printf("received %ld bytes:\n",numbytes); for(c=0;c<numbytes;c++){ ch = (char)buf; ... (2 Replies)
Discussion started by: alikims
2 Replies

4. Shell Programming and Scripting

sed escape char

Hi, For the following complex code , <!-- ... (2 Replies)
Discussion started by: fed.linuxgossip
2 Replies

5. Programming

After converting the hexstr to Hex and storing the Hex in a char*

Hi All, My main intension of is to convert the Hexstring stored in a char* into hex and then prefixing it with "0x" and suffix it with ',' This has to be done for all the hexstring char* is NULL. Store the result prefixed with "0x" and suffixed with ',' in another char* and pass it to... (1 Reply)
Discussion started by: rvan
1 Replies

6. Shell Programming and Scripting

Match hex value in string (Perl)

I am trying to match a character return from a website so that I can replace it. It is the '...' character (didnt even know it existed initially). The character apparently has the hex value of 2026, but in the script, attempting to substitute regular 3 periods is not working. What am I... (2 Replies)
Discussion started by: Guyverix
2 Replies

7. Programming

Hex string conversion?

Hello all. I need help... How can I cenvert this 42ec93df826c804ea531c56594db453d54daad4b to normal text? What convertor I have to use? Thanks. (12 Replies)
Discussion started by: escudo
12 Replies

8. Shell Programming and Scripting

String to HEX conversion in UNIX

i have this below string which i need to convert it to HEX. i have already tried it but it showing extra few things on it.. let me show what i have done and what is the output i am getting and what is the desired output the input string is "!\"\"\"\"\"\"\"!\"\"\"\"\"\"\"" which is... (4 Replies)
Discussion started by: vivek d r
4 Replies

9. Shell Programming and Scripting

Find and increment value in string of hex

I have a long string of hex (from ASN.1 data) where I need to find and change a particular hex value only and increment it. The hex pairs either side (84 and a7) of the value to increment will remain constant. i.e. "84 <length> <value_to_increment> a7" starting with 00. So end result: ... (11 Replies)
Discussion started by: securegooner
11 Replies

10. UNIX for Beginners Questions & Answers

Using sed to split hex string

Hi, I'm looking to split the following hex string into rows of four elements. I've tried the following but it doesn't seem to work. How can I tell sed to match based on a pair of number(s) and letter(s), and add a newline every 4 pairs? In addition, I need to add another newline after every... (5 Replies)
Discussion started by: sand1234
5 Replies
confstr(3C)															       confstr(3C)

NAME
confstr() - get string-valued configuration values SYNOPSIS
DESCRIPTION
provides a method for applications to get configuration-defined string values. Its use and purpose are similar to (see sysconf(2)), except that it is used where string values rather than numeric values are returned. The name parameter can take on the following name values, which are defined in A default value for the environment variable which can be used to locate commands in Section 1 of the and utilities defined in the POSIX.2 standard that are currently implemented in the HP-UX operating system. Which kernel is supported on the hardware. Current values returned include "32", "32/64" or "64". Whether the kernel is 32-bit or 64-bit. Current values returned include "32" or "64". The hardware model string. Unique identifier for each machine. Returned as an opaque string of printable ASCII characters. This string has the same value for all partitions in a physical machine. Refer to for a unique identifier for partitions in a machine. For hardware classes first released with HP-UX 11i or later, this ID is unique across all hardware classes. For earlier hardware classes, the ID number is unique only within the hard- ware class. A null string is returned if no ID number is available; this is expected to be the case only for proto- type machines or other systems improperly configured in manufacturing. Comparisons of this value must be made using the string compare functions, see string(3C). Identifier for each partition existing on a machine. Returned as an opaque string of printable ASCII characters. For any machine not supporting partitions this value will be the same as Com- parisons of this value must be made using the string compare functions, see string(3C). Machine serial number. The value will be a printable ASCII string. This string is not available on all classes of machines; if unavailable, the string will be empty. This string is not a unique identifier of the machine, since machines of different classes can have the same serial number. If a unique identifier is needed, use or The set of initial options to be given to the and utilities to build an application using a programming model with 32-bit int, long, pointer, and off_t types. The set of final options to be given to the and utilities to build an application using a programming model with 32-bit int, long, pointer, and off_t types. The set of libraries to be given to the and utilities to build an application using a programming model with 32-bit int, long, pointer, and off_t types. The set of options to be given to the utility to check application source using a programming model with 32-bit int, long, pointer, and off_t types. The set of initial options to be given to the and utilities to build an application using a programming model with 32-bit int, long, and pointer types, and an off_t type using at least 64-bits. The set of final options to be given to the and utilities to build an application using a programming model with 32-bit int, long, and pointer types, and an off_t type using at least 64-bits. The set of libraries to be given to the and utilities to build an application using a programming model with 32-bit int, long, and pointer types, and an off_t type using at least 64-bits. The set of options to be given to the utility to check application source using a programming model with 32-bit int, long, and pointer types, and an off_t type using at least 64-bits. The set of initial options to be given to the and utilities to build an application using a programming model with 32-bit int, and 64-bit long, pointer, and off_t types. The set of final options to be given to the and utilities to build an application using a programming model with 32-bit int, and 64-bit long, pointer, and off_t types. The set of libraries to be given to the and utilities to build an application using a programming model with 32-bit int, and 64-bit long, pointer, and off_t types. The set of options to be given to the utility to check application source using a programming model with 32-bit int, and 64-bit long, pointer, and off_t types. The set of initial options to be given to the and utilities to build an application using a programming model with an int type using 32 bits and long, pointer, and off_t types using at least 64-bits. The set of libraries to be given to the and utilities to build an application using a programming model with an int type using 32 bits and long, pointer, and off_t types using at least 64-bits. The set of libraries to be given to the and utilities to build an application using a programming model with an int type using 32 bits and long, pointer, and off_t types using at least 64-bits. The set of options to be given to the utility to check application source using a programming model with an int type using 32 bits and long, pointer, and off_t types using at least 64-bits. The set of initial options to be given to the utility to build an application using a programming model with 32-bit int, long, pointer, and off_t types. The set of final options to be given to the utility to build an application using a programming model with 32-bit int, long, pointer, and off_t types. The set of libraries to be given to the utility to build an application using a programming model with 32-bit int, long, pointer, and off_t types. The set of initial options to be given to the utility to build an application using a programming model with 32-bit int, long, and pointer types, and an off_t type using at least 64 bits. The set of final options to be given to the utility to build an application using a programming model with 32-bit int, long, and pointer types, and an off_t type using at least 64 bits. The set of libraries to be given to the utility to build an application using a programming model with 32-bit int, long, and pointer types, and an off_t type using at least 64 bits. The set of initial options to be given to the utility to build an application using a programming model with 32-bit int and 64-bit long, pointer, and off_t types. The set of final options to be given to the utility to build an application using a programming model with 32-bit int and 64-bit long, pointer, and off_t types. The set of libraries to be given to the utility to build an application using a programming model with 32-bit int and 64-bit long, pointer, and off_t types. The set of initial options to be given to the utility to build an application using a programming model with an int type using at least 32 bits and long, pointer, and off_t types using at least 64 bits. The set of final options to be given to the utility to build an application using a programming model with an int type using at least 32 bits and long, pointer, and off_t types using at least 64 bits. The set of libraries to be given to the utility to build an application using a programming model with an int type using at least 32 bits and long, pointer, and off_t types using at least 64 bits. This value is a <newline>-separated list of names of programming environments supported by the implementation in which the widths of the blksize_t, cc_t, mode_t, nfds_t, pid_t, ptrdiff_t, size_t, speed_t, ssize_t, suseconds_t, tcflag_t, useconds_t, wchar_t, and wint_t types are no greater than the width of type long. If len is not zero, and if name is known and has a configuration-defined value, copies that value into the len-byte buffer pointed to by buf. If the string to be returned is longer than len bytes, including the terminating null, truncates the string to len-1 bytes and null- terminates the result. The application can detect that the string was truncated by comparing the value returned by with len. If len is zero and buf is NULL, returns the integer value as defined below, but does not return a string. If len is zero but buf is not NULL, the result is unspecified. RETURN VALUE
If name is invalid, returns zero and sets to If name does not have a configuration-defined value, returns 0 (zero) and leaves unchanged. If name has a configuration-defined value, returns the size of buffer that would be needed to hold the entire configuration-defined value. If this return value is less than len, the string returned in buf has been truncated. EXAMPLES
The following code fragment calls to determine the correct buffer size for allocates space for this buffer, then gets the configuration value for AUTHOR
was developed by HP. FILES
symbolic constants and structures used for support of the /usr/group standard SEE ALSO
getconf(1), errno(2), fpathconf(2), pathconf(2), sysconf(2), malloc(3C), thread_safety(5). STANDARDS CONFORMANCE
confstr(3C)
All times are GMT -4. The time now is 06:48 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy