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  1. # include <stdio.h>
  2.  
  3. int myStrlen(char s[]){
  4. int i;
  5. int count;
  6. for(i=0;s[i]!='\0';i++){
  7. count++;
  8. }
  9. return count;
  10.  
  11. }
  12.  
  13. int main(){
  14. int len;
  15. char s[100];
  16. scanf("%s",s);
  17. len = myStrlen(s);
  18. printf("%s -> %d\n",s,len);
  19. return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5320KB
stdin
abcd
stdout
abcd -> 4