# K & R C Programs Exercise 5-4.

K and R C, Solution to Exercise 5-4:
K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language (2nd Edition). You can learn and solve K&R C Programs Exercise.
C Program, that returns 1 if the string t occurs at the end of the string s, and zero otherwise. Read more about C Programming Language .

`/************************************************************ You can use all the programs on  www.c-program-example.com* for personal and learning purposes. For permissions to use the* programs for commercial purposes,* contact [email protected]* To find more C programs, do visit www.c-program-example.com* and browse!* *                      Happy Coding***********************************************************/#include <stdio.h>//finds the string length, standard "strlen" functionint str_len(char *s){ int n; for(n = 0; *s != ''; s++) {  n++; } return n;}int str_cmp(char *s, char *t){ for(;*s == *t; s++, t++)  if(*s == '')   return 0; return *s - *t;}int str_end(char *s, char *t){ int Result = 0; int s_length = 0; int t_length = 0; /* get the lengths of the strings */ s_length = str_len(s); t_length = str_len(t); /* check if the lengths mean that the string t could fit at the string s */ if(t_length <= s_length) {  /* advance the s pointer to where the string t would have to start in string s */  s += s_length - t_length;  /* and make the compare using strcmp */  if(0 == str_cmp(s, t))  {   Result = 1;  } } return Result;}int main(void){ char Str1[8192] ; char Str2[8192] ; char Str3[8192] ; printf("n Enter the first string: n"); scanf("%s",Str1); printf("n Enter the second string: n"); scanf("%s",Str2); printf("n Enter the third string: n"); scanf("%s",Str3); printf("String one is (%s)n", Str1); printf("String two is (%s)n", Str2); printf("String two is (%s)n", Str3); if(str_end(Str1, Str2)) {  printf("The string (%s) has (%s) at the end.n", Str1, Str2); } else {  printf("The string (%s) doesn't have (%s) at the end.n", Str1, Str2); } if(str_end(Str1, Str3)) {  printf("The string (%s) has (%s) at the end.n", Str1, Str3); } else {  printf("The string (%s) doesn't have (%s) at the end.n", Str1, Str3); } return 0;}`

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