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C 字符串 strchr() 函数

❮ 字符串函数


示例

获取字符串中第一个出现的字符的指针

char myStr[] = "Hello World";
char *myPtr = strchr(myStr, 'W');
if (myPtr != NULL) {
  printf("%s", myPtr);
}
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定义和用法

The strchr() 函数返回指向字符串中第一个出现的字符位置的指针。

The strchr() 函数在 <string.h> 头文件中定义。

注意: 要查找字符串中最后一个出现的字符,请使用 strrchr() 函数。


语法

strchr(char * str, int character);

参数值

参数 描述
str 必需。指向被搜索字符串的指针。
character 必需。要搜索的字符。也可以使用字符的 ASCII 值。

技术细节

返回值 指向字符串中找到字符位置的 char 类型指针,如果未找到字符,则返回 NULL。

❮ 字符串函数


相关页面

C 字符串教程

C 字符串函数教程


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