立即学习:https://edu.csdn/course/play/10534/378132?utm_source=blogtoedu
#include <stdio.h>
#include <string.h>
int main() {
char s1[128] = {'\0'};
char s2[128] = {'\0'};
char ch = 0;
char *p1 = NULL;
char *p2 = NULL;
scanf("%s", s1);
scanf("%s", s2);
printf("start >> s1: %s, s2: %s\n", s1, s2);
// strcpy(s1, s2);
// printf("end >> s1: %s, s2: %s\n", s1, s2);
// printf("s1[3]: %c, s1[4]: %c\n", s1[3], s1[4]);
//strcat(s1, s2);
//printf("end >> s1: %s, s2: %s\n", s1, s2);
//printf("s1.length: %lu, s2.length: %lu\n", strlen(s1), strlen(s2));
/*
if (strcmp(s1, s2) == 0) {
printf("s1 == s2\n");
} else if (strcmp(s1, s2) > 0) {
printf("s1 > s2\n");
} else {
printf("s1 < s2\n");
}
*/
/*
ch = getchar();
ch = getchar();
p1 = strchr(s1, ch);
p2 = strchr(s2, ch);
if (p1) {
printf("p1 >> %p: %c\n", p1, *p1);
} else {
printf("p1 >> address: %p\n", p1);
}
if (p2) {
printf("p2 >> %p: %c\n", p2, *p2);
} else {
printf("p2 >> address: %p\n", p2);
}
*/
p1 = strstr(s1, s2);
printf("p1: %s\n", p1);
return 0;
}
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