문자열을 덧붙이는 함수들 : strcat, strncat

#include <stdio.h>

#include <string.h>

int main(void)

{

char str1[20]="First~";

char str2[20]="Second";

char str3[20]="Simple Num: ";

char str4[20]="1234567890";

/**** case 1 ****/

strcat(str1, str2);

puts(str1);

/**** case 2 ****/

strncat(str3, str4, 7);

puts(str3);

return 0;

}

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