найти символ в строке (locate character in string)
Имя (Name)
index, rindex - locate character in string
Синопсис (Synopsis)
#include <strings.h>
char *index(const char *s, int c);
char *rindex(const char *s, int c);
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.
Возвращаемое значение (Return value)
The index() and rindex() functions return a pointer to the
matched character or NULL if the character is not found.
Атрибуты (Attributes)
For an explanation of the terms used in this section, see
attributes(7).
┌──────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────────────────────────────────┼───────────────┼─────────┤
│index(), rindex() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
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.
Смотри также (See also)
memchr(3), strchr(3), string(3), strpbrk(3), strrchr(3),
strsep(3), strspn(3), strstr(3), strtok(3)
