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strsplit.c
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#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
int
rte_strsplit(char *string, int stringlen, char **tokens, int maxtokens, char delim)
{
int i, tok = 0;
int tokstart = 1; /* first token is right at start of string */
if (string == NULL || tokens == NULL)
goto einval_error;
for (i = 0; i < stringlen; i++) {
if (string[i] == '\0' || tok >= maxtokens)
break;
if (tokstart) {
tokstart = 0;
tokens[tok++] = &string[i];
}
if (string[i] == delim) {
string[i] = '\0';
tokstart = 1;
}
}
return tok;
einval_error:
errno = EINVAL;
return -1;
}
int main(){
char buf[100] = "012 123 234 456 789";
char *arr[5];
char delim = ' ';
int i=0;
rte_strsplit(buf, sizeof(buf), arr, 5, delim);
for(; i<5; i++){
printf("%s\n", arr[i]);
}
}