31 lines
555 B
C
31 lines
555 B
C
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#include <string.h>
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char * strtok(char * restrict str, char * restrict sep) {
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static char * state;
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char * search_str;
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int i = 0, sep_size = strlen(sep);
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if(str != NULL) {
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search_str = str;
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}
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else {
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search_str = state;
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}
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while(*search_str != '\0' && strcmp(search_str, sep) == 0) {
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search_str += sep_size;
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}
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if(*search_str == '\0') {
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return NULL;
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}
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while(search_str[i] != '\0' && strcmp(&(search_str[i]), sep) != 0) {
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i++;
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}
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search_str[i] = '\0';
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state = &(search_str[i + 1]);
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return search_str;
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}
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