#include <stdio.h>
#include <string.h>
int my_strlen(char *str)
{
int sum = 0;
while(*str != '\0')
{
sum++;
str++;
}
return sum;
}
int main(int argc, char *argv[])
{
char str[64];
char *p;
int len;
printf("输入一个字符串:");
fgets(str,sizeof(str),stdin);
p = str;
len = my_strlen(p);
printf("len = %d\n",len-1);
return 0;
}
Write a function to find the length of a string, input the string in the main function, and output its length.
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Origin blog.csdn.net/qq_72714790/article/details/126513775
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