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strchr(3)							     strchr(3)

NAME
       index, rindex, strchr, strrchr - Search for character in string

SYNOPSIS
       #include <strings.h>

       char *index(
	       const char *s,
	       int c ); char *rindex(
	       const char *s,
	       int c ); #include <string.h>

       char *strchr(
	       const char *s,
	       int c ); char *strrchr(
	       const char *s,
	       int c );

LIBRARY
       Standard C Library (libc)

STANDARDS
       Interfaces  documented on this reference page conform to industry stan‐
       dards as follows:

       index(), rindex():  XPG4-UNIX

       strchr(), strrchr():  XPG4, XPG4-UNIX

       Refer to the standards(5) reference page	 for  more  information	 about
       industry standards and associated tags.

PARAMETERS
       Specifies the string to search.	Specifies a character, expressed as an
       int data type, to search for.

DESCRIPTION
       The index() function locates the first occurrence of the integer speci‐
       fied by the c parameter, which is converted to an unsigned char, in the
       string pointed to by the s parameter.  The  terminating	null  byte  is
       treated as part of the string pointed to by the s parameter.

       The rindex() function locates the last occurrence of the integer speci‐
       fied by the c parameter, which is converted to a	 char  value,  in  the
       string  pointed	to  by	the  s parameter. The terminating null byte is
       treated as a part of the string pointed to by the s parameter.

       The strchr() and strrchr() functions provide the same functionality  as
       the index() and rindex() functions, respectively.

       If  c  is  a  null  byte ('\0') in any of these functions, the function
       locates the terminating null byte of s.

RETURN VALUES
       Upon successful completion, these functions return  a  pointer  to  the
       byte  in	 the scanned string. When the byte specified by parameter c is
       not found, a null pointer is returned.

SEE ALSO
       Functions: string(3), wcschr(3)

       Standards: standards(5)

								     strchr(3)
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