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ustrtok_r - Man Page

Reentrant function to retrieve tokens from a string. Allegro game programming library.


#include <allegro.h>

char *ustrtok_r(char *s, const char *set, char **last);


Reentrant version of ustrtok. The `last' parameter is used to keep track of where the parsing is up to and must be a pointer to a char * variable allocated by the user that remains the same while parsing the same string. Example:

   char *word, *last;
   char string[]="some-words with dashes";
   char *temp = ustrdup(string);
   word = ustrtok_r(string, " -", &last);
   while (word) {
      allegro_message("Found `%s'\n", word);
      word = ustrtok_r(NULL, " -", &last);

Return Value

Returns a pointer to the token, or NULL if no more are found. You can free the memory pointed to by `last' once NULL is returned.

See Also


Referenced By


version 4.4.3 Allegro manual