Manpage of STRSEP
STRSEPSection: Linux Programmer's Manual (3)
NAMEstrsep - extract token from string
#include <string.h>char *strsep(char **stringp, const char *delim);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
DESCRIPTIONIf *stringpis NULL, the strsep() function returns NULL and does nothing else. Otherwise, this function finds the first token in the string *stringp, that is delimited by one of the bytes in the string delim. This token is terminated by overwriting the delimiter with a null byte (aq\0aq), and *stringpis updated to point past the token. In case no delimiter was found, the token is taken to be the entire string *stringp, and *stringpis made NULL.
RETURN VALUEThe strsep() function returns a pointer to the token, that is, it returns the original value of *stringp.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
NOTESThe strsep() function was introduced as a replacement for strtok(3), since the latter cannot handle empty fields. However, strtok(3) conforms to C89/C99 and hence is more portable.
BUGSBe cautious when using this function. If you do use it, note that:
- This function modifies its first argument.
- This function cannot be used on constant strings.
- The identity of the delimiting character is lost.
SEE ALSOindex(3), memchr(3), rindex(3), strchr(3), string(3), strpbrk(3), strspn(3), strstr(3), strtok(3)
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