#include <stdio.h>
#include <stdint.h>
void split_string(const char *str, char delimiter, char tokens[10][20], uint8_t *count) {
    int idxTok = 0;
    for(int i=0;str[i]!='\0';i++){
        tokens[*count][idxTok] = str[i];
        idxTok++;
        if(str[i] == delimiter) {
            tokens[*count][idxTok-1] = '\0';
            (*count)++;
            idxTok = 0;
        }
    }
   tokens[*count][idxTok] = '\0';
}
int main() {
    char str[101];
    char delimiter;
    fgets(str, sizeof(str), stdin);
    scanf(" %c", &delimiter);
    // Remove newline
    uint8_t i = 0;
    while (str[i]) {
        if (str[i] == '\n') { str[i] = '\0'; break; }
        i++;
    }
    char tokens[10][20];
    uint8_t count = 0;
    split_string(str, delimiter, tokens, &count);
    for (uint8_t i = 0; i <= count; i++) {
        printf("%s\n", tokens[i]);
    }
    return 0;
}
Input
cmd1,cmd2,cmd3 ,
Expected Output
cmd1 cmd2 cmd3