https://blog.csdn.net/ctrl_qun/article/details/66970652 c语言提供了几个标准库函数,可以比较两个字符串是否相同。以下是用strcmp()函数比较字符串的一个例子: 个人网站:www.ctrlqun.com #include <stdio.h>#include <string.h>int main(void){char str_1[] = "abc";char str_2[] = "abc";char str_3[] = "ABC";if (strcmp(str_1, str_2) == 0)printf("str_1 is equal to str_2. \n");elseprintf("str_1 is not equal to str_2. \n");if (strcmp(str_1, str_3) == 0)printf("str_1 is equal to str_3.\n");elseprintf("str_1 is not equal to str_3.\n");return 0;} 上例的打印输出如下所示: strcmp()函数有两个参数,即要比较的两个字符串。strcmp()函数对两个字符串进行大小写敏感的(case-sensitiVe)和字典式的(lexicographic)比较,并返回下列值之一: |
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