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  1. # include <stdio.h>
  2. int myStrlen(char s[]){
  3. int i;
  4. for(i=0;s[i]!='\0';i++);
  5. return i;
  6. }
  7.  
  8. int main(){
  9. int len;
  10. char s[100];
  11. scanf("%s",s);
  12. len = myStrlen(s);
  13. printf("%s -> %d\n",s,len);
  14. return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5316KB
stdin
abcd
stdout
abcd -> 4