Some of the functions that are often used in C

1, sscanf

Function Prototypes:

int sscanf (const char *,const char *,...);

int sscanf (const char *buffer,const char *format,[argument] ...);

Buffer: Stored data

Format: Formatting control string

Argument: Selective setting string

SSCANF will read the data from buffer, and write the data into the argument in accordance with format.

Header file:

#include <stdio.h>

return value:

Success returns the number of arguments, and failure returns-1.

Example:

#include <stdio.h>intMain () {Charn[4]; printf ("%d", SSCANF ("DFSAD;SFASDF","%c%c%c", &n[0],&n[1],&n[2])); printf ("\ n-------------------\ n");  for(intI=0;i<4; i++) {printf ("%c\n", N[i]); }    return 0;}

Output Result:

3-------------------dfs

　　

Some of the functions that are often used in C