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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main() {
  5. 	const char* s1="Hello, ";
  6. 	const char* s2="World!";
  7.  
  8. 	size_t len = strlen(s1) + strlen(s2);
  9. 	size_t size = sizeof(char) * (len + 1);
  10.  
  11. 	char * buf = malloc(size);
  12.  
  13. 	strcpy(buf, s1);
  14. 	strcat(buf, s2);
  15.  
  16. 	printf("%s\r\n", buf);
  17.  
  18. 	free(buf);
  19.  
  20. 	return 0;
  21. }
Success #stdin #stdout 0.01s 1852KB
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stdin
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Standard input is empty
stdout
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Hello, World!
https://ideone.com/Y5P4i
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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