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  1. #include <stdio.h>
  2. #include <string.h>
  3. int main() {
  4.     char str1[100], str2[100];
  5.     fgets(str1, 100, stdin);
  6.     fgets(str2, 100, stdin);
  7.  
  8.     strcpy(str1, "Hello");
  9.     printf("strcpy: %s\n", str1);
  10.  
  11.     strcat(str1, " World");
  12.     printf("strcat: %s\n", str1);
  13.  
  14.     printf("strcmp: %d\n", strcmp(str1, str2));
  15.  
  16.     printf("strlen: %lu\n", strlen(str1));
  17.     return 0;
  18. }
  19.  
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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strcpy: Hello
strcat: Hello World
strcmp: 72
strlen: 11
https://ideone.com/r6xiYx
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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