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Section: Linux Programmer's Manual (3)Updated: 2015-03-02
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NAME
index, rindex - locate character in stringSYNOPSIS
#include <strings.h> char *index(const char *s, int c); char *rindex(const char *s, int c);
DESCRIPTION
The index() function returns a pointer to the first occurrence of the character c in the string s.The rindex() function returns a pointer to the last occurrence of the character c in the string s.
The terminating null byte ('\0') is considered to be a part of the strings.
RETURN VALUE
The index() and rindex() functions return a pointer to the matched character or NULL if the character is not found.ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).Interface | Attribute | Value |
index(), rindex() | Thread safety | MT-Safe |
CONFORMING TO
4.3BSD; marked as LEGACY in POSIX.1-2001. POSIX.1-2008 removes the specifications of index() and rindex(), recommending strchr(3) and strrchr(3) instead.SEE ALSO
memchr(3), strchr(3), string(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3)COLOPHON
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Time: 04:45:37 GMT, September 16, 2022
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