strcpy(p+strlen(q),

strlen,strcpy,strcat,strcmp,strstr各代表什么意思 void main(){char ch[30]="nice to meet you!';strcpy(a+strlen( 设char*1=“12345”,s2=“1234”；执行语句printf（“%d\n”,strlen(strcpy(s1 编程实现strlen,strcmp,strcpy,substr,strrev,strcat字符串处理函数的功能； char *s1="12345",*s2="1234"; printf("%d\n",strlen(strcpy(s1, strlen(strcpy(s1,s2)),是把s2复制到s1中,那么长度是不是就是s2的长度? { char a［30］="nice to meet you!"; strcpy（a+strlen（a）/2,"you" 13．char p[][20]={“get”,”put”,”out”};表达式strlen(p[0])+strlen(p #include; char *p="ABC" printf("%d",strlen(p)+*p); main() { #include char *p="ABC"; printf("%d",strlen(p)+*p); 已知char *p=”Good\0Morning!”;则表达式strlen(p)的值是_______.详解,.. (p+2q)(2p-q)-(p+q)(p-q)