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#include <stdio.h>
#include <stdlib.h>
#define N 10
#define M 10

int main(void) {
char sent[100]="this is sparta";
char **buf;
int i, j, flag;
buf = (char **)malloc(N*sizeof(char *));
for(i=0; i<N; i++) {
buf[i] = (char *)malloc(M*sizeof(char));
}

if(buf==NULL) {
printf("Error in allocating space!\n");
exit(1);
}

buf[0] = strtok(sent," ");
flag=1;
while(1){
buf[flag] = strtok(NULL," ");
flag++;
}

for(i=N; i<=0; i--){
for(j=0; j<M; j++) {
printf("buf[%d][%d]: %s", i, j, buf[i]);
}
}
return 0;
}