标签： 字母

在网络上找了一份C语言获取汉字拼音首字母的源程序，先保存一下。这里用了glib里面的一个函数g_convert。

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
  
gchar getpychar(guchar uword0 , guchar uword1)
{
    gchar pychar;
  
    int i1 = (short)(uword0 - '\0');
    int i2 = (short)(uword1 - '\0');
  
    int tmp = i1 * 256 + i2;
  
    if(tmp >= 45217 && tmp <= 45252) pychar = 'A'; 
    else if(tmp >= 45253 && tmp <= 45760) pychar = 'B'; 
    else if(tmp >= 45761 && tmp <= 46317) pychar = 'C'; 
    else if(tmp >= 46318 && tmp <= 46825) pychar = 'D'; 
    else if(tmp >= 46826 && tmp <= 47009) pychar = 'E'; 
    else if(tmp >= 47010 && tmp <= 47296) pychar = 'F'; 
    else if(tmp >= 47297 && tmp <= 47613) pychar = 'G'; 
    else if(tmp >= 47614 && tmp <= 48118) pychar = 'H'; 
    else if(tmp >= 48119 && tmp <= 49061) pychar = 'J'; 
    else if(tmp >= 49062 && tmp <= 49323) pychar = 'K'; 
    else if(tmp >= 49324 && tmp <= 49895) pychar = 'L'; 
    else if(tmp >= 49896 && tmp <= 50370) pychar = 'M'; 
    else if(tmp >= 50371 && tmp <= 50613) pychar = 'N'; 
    else if(tmp >= 50614 && tmp <= 50621) pychar = 'O'; 
    else if(tmp >= 50622 && tmp <= 50905) pychar = 'P'; 
    else if(tmp >= 50906 && tmp <= 51386) pychar = 'Q'; 
    else if(tmp >= 51387 && tmp <= 51445) pychar = 'R'; 
    else if(tmp >= 51446 && tmp <= 52217) pychar = 'S'; 
    else if(tmp >= 52218 && tmp <= 52697) pychar = 'T'; 
    else if(tmp >= 52698 && tmp <= 52979) pychar = 'W'; 
    else if(tmp >= 52980 && tmp <= 53640) pychar = 'X'; 
    else if(tmp >= 53689 && tmp <= 54480) pychar = 'Y'; 
    else if(tmp >= 54481 && tmp <= 55289) pychar = 'Z'; 
    else pychar = ' ';
  
    return pychar;
}
  
gchar *getpystring(const gchar *in)
{
    gsize inlen , olen , i , j = 0;
    gchar *gword = g_convert(in , strlen(in)
            , "gb2312" , "utf8" , &inlen , &olen , NULL);
  
    guchar *uword = (guchar*)gword;
    gchar *out = (gchar*)malloc(olen);
  
    memset(out , 0 , olen);
  
    for(i = 0 ; i < olen ; i++){
        if(uword[i] >= 0xa1){
            if(uword[i] != 0xa3){
                out[j++] = getpychar(uword[i] , uword[i + 1]);
                i ++;
            }
        }else{
            out[j++] = (gchar)uword[i];
        }
    }
  
    return out;
  
}
  
int main(int argc , char **argv)
{
    printf("%s\n" , getpystring("linux是一个出色的操作系统"));
    return 0;
  
}

程序输出：linuxSYGCSDCZXT

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