字符集转化/curses

.SUFFIXES: .c .o
CC=gcc
SRCS=mydaemon.c
OBJS=$(SRCS:.c=.o)
EXEC=mydaemon
all: $(OBJS)
    $(CC)  -o $(EXEC) $(OBJS) 
    @echo '-------------ok--------------'
.c.o:
    $(CC) -g  -o $@ -c $< 
clean:
    rm -f $(OBJS) 
    rm -f core*

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <iconv.h>
int gbk2utf8(char *src, size_t *srclen, char *dest, size_t *destlen)
{
    iconv_t cd = iconv_open("UTF8", "GBK");//源字符串为gbk，目标为utf8
    if (cd ==(iconv_t)-1)
    {
        printf("open iconv error %s\n", strerror(errno));
        return -1;
    }
    size_t rc = iconv(cd, &src, srclen, &dest, destlen);//将src字符串转化为目标dest
    if (rc == (size_t)-1)
    {
        printf("iconv error %s\n", strerror(errno));
        return -1;
    }
    iconv_close(cd);
    return 0;
}
int main(int arg, char *args[])
{
    if (arg < 2)
    {
        printf("Usage: xxx yyy");
        return -1;
    }
    FILE *p = fopen(args[1], "r");
    if (p == NULL)
    {
        printf("open %s error, %s\n", args[1], strerror(errno));
        return -1;
    }
    char buf[1024];//定义一个buffer，存放读取到的文件内容
    char destbuf[1024];//定义一个buffer,存放转化完字符串后的内容
    while(1)
    {
        memset(buf, 0, sizeof(buf));
        memset(destbuf, 0, sizeof(destbuf));
        if (fgets(buf, sizeof(buf), p) == NULL)//读出一行，如果是文件最后一行，循环退出
        {
            break;
        }
        size_t srclen = strlen(buf);
        size_t destlen = sizeof(destbuf);
        gbk2utf8(buf, &srclen, destbuf, &destlen);
        printf("%s\n", destbuf);
    }
    fclose(p);
    return 0;
}

.SUFFIXES: .c .o
CC=gcc
SRCS=curses.c
OBJS=$(SRCS:.c=.o)
EXEC=mydaemon
all: $(OBJS)
    $(CC)  -o $(EXEC) $(OBJS) -lcurses
    @echo '-------------ok--------------'
.c.o:
    $(CC) -g  -o $@ -c $< 
clean:
    rm -f $(OBJS) 
    rm -f core*

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <curses.h>
int main()
{
    initscr();//开始图形模式
    noecho();//不回显
    char temp[128];
    char s[128];
    int seq = 0;
    while (scanf("%s", s))
    {
        if (strcmp(s, "exit") == 0)
        {
            break;
        }
        clear();//清除屏幕
        sprintf(temp, "please input:");
        mvaddstr(0, 0, temp);//在指定的坐标打印
        int i;
        for (i=0; i<10; i++)
        {
            sprintf(temp, "%s %d %s", s, seq++, s);
            mvaddstr(i+1, 0, temp);
        }
        move(0, 13);//移动光标到指定坐标
        refresh();//刷新屏幕，如果不刷新屏幕，那么mvaddstr和move将不生效
    }
    endwin();//结束图形模式
    return 0;
}