|
|
Sponsored Content
Top Forums
Programming
Scanf() string pointer problem
Post 302874241 by yifangt on Thursday 14th of November 2013 01:40:07 PM
11-14-2013
|
|
10 More Discussions You Might Find Interesting
1. Programming
I have a problem reading characters from keyboard with the scanf function.
Here there is a little piece of code:
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
/* The last 3 libraries are included because in the real program I use some... (4 Replies)
Discussion started by: robotronic
4 Replies
2. Programming
i have a function:
char *pcCityIdToCountryName(ADMIN_DB_DATA *pstHEader, unit uiCityID)
this returns a pointer to CountryName if cityId is given.
to retrieve countryname i give:
char *CountryName;
CountryName = pcCityIdToCountryName(..................);
but when i compile it is giving :... (5 Replies)
Discussion started by: jazz
5 Replies
3. Programming
hi all!
i've written a simple c program:
#include<stdio.h>
#include<stdlib.h>
int main()
{
int a;
char b;
char c;
... (4 Replies)
Discussion started by: mridula
4 Replies
4. Programming
could any one tell why the following is showing segmentation fault while using **ptr
but working fine using **a
#include<stdio.h>
... (1 Reply)
Discussion started by: useless79
1 Replies
5. Programming
i am having a string like
" X1 " ---> string lenght is 30
I have stored this to a chararry . ref
so here ref = " X1 "
now i trim the left space by my function . Si the string now becomes
"X1 " ---> string lenght is 15... (3 Replies)
Discussion started by: arunkumar_mca
3 Replies
6. Programming
If one wants to get a start address of a array or a string or a block of memory via a function, there are at least two methods to achieve it:
(1) one is to pass a pointer-to-pointer parameter, like:
int my_malloc(int size, char **pmem)
{
*pmem=(char *)malloc(size);
if(*pmem==NULL)... (11 Replies)
Discussion started by: aaronwong
11 Replies
7. Programming
hello all,
my question is not about How code can be rewritten, i just wanna know even though i am not using read only memory of C (i have declared str) why this function gives me segfault :wall:and the other code executes comfortably though both code uses same pointer arithmetic.
... (4 Replies)
Discussion started by: zius_oram
4 Replies
8. Programming
Does anyone know?
int x = 1;
int *p = &++x; //ok !
int *q = &x++; //gives an error :O
why the first pointer is ok but the second is an error? (13 Replies)
Discussion started by: nishrestha
13 Replies
9. Programming
I'm newbie learner. My all friend use windows just only me use linux.
so i can't solve any problem by myself. i need a solution.
how can i use pointer as a string.
#include<string.h>
#include<stdio.h>
int main()
{
char *s='\0';
gets(s);
puts(s);
return 0;
}
This code work on... (6 Replies)
Discussion started by: raihan004
6 Replies
10. Programming
Hello, I am trying to reverse complement one string and reverse another (NO complement!), both with pointer. My code compiled without error, but did not do the job I wanted.
#include <stdio.h>
#include <stdlib.h>
#include <zlib.h>
#include "kseq.h"
// STEP 1: declare the type of file... (5 Replies)
Discussion started by: yifangt
5 Replies
LEARN ABOUT OPENSOLARIS
mvscanw
mvscanw(3XCURSES) X/Open Curses Library Functions mvscanw(3XCURSES) NAME
mvscanw, mvwscanw, scanw, wscanw - convert formatted input from a window SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib -R /usr/xpg4/lib -lcurses [ library... ] c89 [ flag... ] file... -lcurses [ library... ] #include <curses.h> int mvscanw(int y, int x, char *fmt, ...); int mvwscanw(WINDOW *win, int y, int x, char *fmt, ...); int scanw(char *fmt, ...); int wscanw(WINDOW *win, char *fmt, ...); PARAMETERS
y Is the y (row) coordinate of the position of the character to be read. x Is the x (column) coordinate of the position of the character to be read. fmt Is a scanf() format string. win Is a pointer to the window in which the character is to be read. DESCRIPTION
These functions are similar to scanf(3C). Their effect is as though mvwgetstr(3XCURSES) were called to get a multi-byte character string from the current or specified window at the current or specified cursor position, and then sscanf() were used to interpret and convert that string. RETURN VALUES
Upon successful completion, these functions return OK. Otherwise, they return ERR. ERRORS
No errors are defined. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+ SEE ALSO
getnstr(3XCURSES), libcurses(3XCURSES), printw(3XCURSES), scanf(3C), wcstombs(3C), attributes(5), standards(5) SunOS 5.11 5 Jun 2002 mvscanw(3XCURSES)