c语言字符串函数大全

   函数名: stpcpy
            功 能: 拷贝一个字符串到另一个
            用 法: char *stpcpy(char *destin, char *source);
            程序例:
            
            #include <stdio.h> 
            #include <string.h> 
            
            int main(void)
            {
                char string[10];
                char *str1 = "abcdefghi";
            
                stpcpy(string, str1);
                printf("%s\n", string);
                return 0;
            }
            
            函数名: strcat
            功 能: 字符串拼接函数
            用 法: char *strcat(char *destin, char *source);
            程序例:
            
            #include <string.h> 
            #include <stdio.h> 
            
            int main(void)
            {
                char destination[25];
                char *blank = " ", *c = "C++", *Borland = "Borland";

            
                strcpy(destination, Borland);
                strcat(destination, blank);
                strcat(destination, c);
            
                printf("%s\n", destination);
                return 0;
            }
            
            函数名: strchr
            功 能: 在一个串中查找给定字符的第一个匹配之处
            用 法: char *strchr(char *str, char c);
            程序例:
            
            #include <string.h> 
            #include <stdio.h> 
            
            int main(void)
            {
                char string[15];
                char *ptr, c = 'r';
            
                strcpy(string, "This is a string");
                ptr = strchr(string, c);
                if (ptr)
                printf("The character %c is at position: %d\n", c, ptr-string);
                else
                printf("The character was not found\n");
                return 0;
            }