strstr函数的用法_c find函数返回值_strchr函数

1 strcasecmp, strncasecmp

此函数类与 strcmp，比较字串符，只是对大小写不敏感（不区分）

int main (void )                                                                                                                                  
{                                                                                                                                                 
    int retval = -1;                                                                                                                              
                                                                                                                                                  
    const char *psrc = "Hello,World!";                                                                                                            
                                                                                                                                                  
//  const char *pdst = "hello,World!";                                                                                                            
    const char *pdst = "Hello,World!";                                                                                                            
                                                                                                                                                  
    size_t sSrcLen = strlen( psrc );  

/* NAME

strcmp, strncmp - compare two strings

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