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   index    ( 3 )

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Имя (Name)

index, rindex - locate character in string

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Синопсис (Synopsis)

#include <strings.h>

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

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Описание (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.

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Возвращаемое значение (Return value)

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

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Атрибуты (Attributes)

For an explanation of the terms used in this section, see
       attributes(7).

       ┌──────────────────────────────────────┬───────────────┬─────────┐
       │Interface                             │ Attribute     │ Value   │
       ├──────────────────────────────────────┼───────────────┼─────────┤
       │index(), rindex()                     │ Thread safety │ MT-Safe │
       └──────────────────────────────────────┴───────────────┴─────────┘

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Стандарты (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.

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Смотри также (See also)

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

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