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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:

POSIX 1003.1 XSI

Safety:
Cancellation point	No
Interrupt handler	No
Signal handler	Yes
Thread	Yes

See also:

rindex(), strchr(), strrchr()

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