c語言編程將兩個字符串連接起來

//?void?fun(char?p1[],?char?p2[])?的最後壹行

p2[j]='\0';

//?改為：

p1[n]='\0';

#include?<stdio.h>

void?fun(char?p1[],?char?p2[])

{

int?i=0,j=0,n=0;

while(p1[i]!=0)

{

i++;

n++;

}

while(p2[j]!=0)

{

p1[n]=p2[j];

n++;

j++;

}

p1[n]='\0';

}

main()

{char?s1[80],?s2[40]?;void?NONO?();

printf("Enter?s1?and?s2:\n");

scanf("%s%s",?s1,?s2);

printf("s1=%s\n",?s1);

printf("s2=%s\n",?s2);

printf("Invoke?fun(s1,s2):\n");

fun(s1,?s2);

printf("After?invoking:\n");

printf("%s\n",?s1);

//NONO();

}

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