NAME

index - locate character in string

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS



char * index(const char *s, int c)

DESCRIPTION

The index() function locates the first character matching c (converted to a char) in the nul-terminated string s.

RETURN VALUES

A pointer to the character is returned if it is found; otherwise NULL is returned. If c is '\0', index() locates the terminating '\0'.

SEE ALSO

memchr(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3)

HISTORY

An index() function appeared in Version 6 AT&T UNIX.