index






index, rindex − locate character in string


#include<strings.h>

     , int char *index(const char *s

     , int char *rindex(const char *s

The function returns a pointer to the first occurrence of
the character c in the string s.

     The 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.

The and functions return a pointer to the matched character
or NULL if the character is not found.

For an explanation of the terms used in this section, see

┌──────────┬───────────────┬─────────┐
│Interface Attribute     Value   │
├──────────┼───────────────┼─────────┤
│          │ Thread safety MT‐Safe │
└──────────┴───────────────┴─────────┘

4.3BSD; marked as LEGACY in POSIX.1‐2001.  POSIX.1‐2008
removes the specifications of and recommending and instead.



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