4.3BSD-Reno/share/man/cat3/strsep.0

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STRSEP(3)		      1990			STRSEP(3)



NNAAMMEE
     strsep - separate strings

SSYYNNOOPPSSIISS
     ##iinncclluuddee <<ssttrriinngg..hh>>

     cchhaarr **
     ssttrrsseepp((cchhaarr ****ssttrriinnggpp,, cchhaarr **ddeelliimm));;

DDEESSCCRRIIPPTTIIOONN
     SSttrrsseepp locates in the null-terminated string at *_s_t_r_i_n_g_p the
     first occurence of any character in _d_e_l_i_m and replaces this
     with a '\0', records the location of the immediate following
     character in *_s_t_r_i_n_g_p, then returns the original value of
     *_s_t_r_i_n_g_p.	If no delimiter characters are found, ssttrrsseepp sets
     *_s_t_r_i_n_g_p to NULL; if *_s_t_r_i_n_g_p is initially NULL, ssttrrsseepp
     returns NULL.

EEXXAAMMPPLLEESS
     The following uses _s_t_r_s_e_p to parse strings containing runs
     of white space, making up an argument vector:

	  char inputstring[100];
	  char **argv[51], **ap = argv, *p, *val;
	  /* _s_e_t _u_p _i_n_p_u_t_s_t_r_i_n_g */
	  for (p = inputstring; p != NULL; ) {
	      while ((val = strsep(&p, " \t")) != NULL && *val == '\0');
	      *ap++ = val;
	  }
	  *ap = 0;

























Printed 7/27/90                May				1