1. Programming

What is the difference between int** func() and int*& func(). Can you please explain it with suitable example. Thanks, Devesh. (1 Reply)

2. Programming

hi, Please help me with the following code to get the difference in values. struct a{ int b1; int c1; char d1; } main() { unsigned int b=10; unsigned int c; c = b - (unsigned int )sizeof(a); printf("%d",c); } Here c returns some junk value. How can i get the... (2 Replies)

3. UNIX for Dummies Questions & Answers

hello everybody! I want to create a file with permissions for read, write, and execute to everybody using C, so I write this code: #include <stdio.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> int main(){ int fileDescriptor; fileDescriptor =... (2 Replies)

4. Red Hat

Hello everey one, here i am attempting to compile a c++ project .it's throughing the following errors. my machine details are as follows: Linux chmclozr0119 2.6.18-53.el5 #1 SMP Wed Oct 10 16:34:19 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux errors: ===== Generating... (0 Replies)

5. Programming

Hi, from the manual listen(2): listen for connections on socket - Linux man page It has a parameter called backlog and it limits the maximum length of queue of pending list. If I set backlog to 128, is it means no more than 128 packets can be handled by server? If I have three... (3 Replies)

6. Programming

My question is simple: When should I use a long, int, char, unsigned/signed variables?? When I declare a variable "unsigned;" what did I do it??? Why would I delcare an integer "long" or "short" ( unsigned or signed)?? Any examples of when things like "unsigned", "long", "short" etc...... (6 Replies)

7. Programming

/******************************************************************************/ /* Printing an unsigned character in bits */ #include <stdio.h> void display_bits ( unsigned char ); int main() { unsigned char x; /*... (15 Replies)

8. Programming

when a date type is considered signed and unsigned is that simple referring to - for signed and positive numbers for unsigned? Further if that is the case would mutiplying and dividing ect where 2 signed numbers, like (-2)*(-2) = 4 result in a unsigned. (3 Replies)

9. Programming

Hi, I am unable to assign value zero to my variable which is defined as unsigned char. typedef struct ABCD { unsigned char abc; unsigned char def; unsigned char ghi; } ABCD; typedef ABCD *PABCD; In my Por*C code, i assign the values using memcpy like below ... (3 Replies)

10. OS X (Apple)

Hi guys... Macbook Pro, 13", circa August 2012, OSX 10.7.5, default bash terminal. I require the capability to convert +32767 to -32768 into signed hex words... The example piece code below works perfectly except... #/bin/bash # sign.sh # Unsign to sign... while true do # I have used... (2 Replies)