index()
Find a character in a string
Synopsis:
#include <strings.h> char* index( const char* s, int c );
Arguments:
- s
- The string you want to search. This string must end with a null (\0) character. The null character is considered to be part of the string.
- c
- The character you're looking for.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The index() function returns a pointer to the first occurrence of the character c in the string s.
Returns:
A pointer to the character, or NULL if the character doesn't occur in the string.
Classification:
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | Yes |