Matching String index by index using pointer

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#include<stdio.h> void boss(char *l,char *m) { int i=0,j=0; while (*(l+i)!='\0' && *(l+j)!='\0') { if ((*(l+i)==*(m+j))||(*(l+i)==' '&&*(m+j)==' ' )) { i++;j++; } else { break; } } if( (*(l+i)==*(m+j))) { printf("same\n");} else{printf("position: %d\n",i); printf("position: %d\n",j); printf("\"%c\" <not match> = ",*(l+i)); printf("\"%c\"\n",*(m+j)); } } int main(void) { char M[]={"You are so funny"}; char *p; char N[]={"You are So funny!"}; char *q; p=M; q=N; boss(p,q); return 0; }