STRCHR(3) BSD Programmer's Manual STRCHR(3)
strchr, index - locate first occurrence of a character in a string
#include <string.h> char * strchr(const char *s, int c); char * index(const char *s, int c);
The strchr() function locates the first occurrence of the character c in the string s. The terminating NUL character is considered part of the string. If c is '\0', strchr() locates the terminating '\0'. The index() function is an old synonym for strchr().
The strchr() function returns a pointer to the located character or NULL if the character does not appear in the string.
After the following call to strchr(), p will point to the string "oobar": char *p; char *s = "foobar"; p = strchr(s, 'o');
memchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3)
The strchr() function conforms to ANSI X3.159-1989 ("ANSI C"). The index() function is deprecated and shouldn't be used in new code. MirOS BSD #10-current June 29, 1991 1
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