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                ??一站式輕松地調用各大LLM模型接口,支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻 廣告
                ~~~ #include <stdio.h> int fputc(int c, FILE *stream); int fputs(const char *s, FILE *stream); int putc(int c, FILE *stream); int putchar(int c); int puts(const char *s); ~~~ **fputc()寫一個字符c,強制轉換成一個unsigned char類型字符,到文件stream。** **fputs()寫一個字符串到stream,省略字符串尾部的‘\0’。** **putc()與fputc()相同,只是putc()是作為一個宏實現的。** **putchar(c)等同于putc(c,stdout)。** **puts()寫一個字符串到標準輸出stdout,并自動在字符串的尾部添加一個換行符"\n"。** **返回值:fputc()、putc()和putchar()成功時返回要寫的字符,失敗返回EOF。** **puts()和fputs()成功時返回一個非負數,失敗返回EOF。** 示例程序如下: ~~~ #include <stdio.h> #include <fcntl.h> #include <sys/types.h> #include <sys/stat.h> int main(int argc, char **argv) { int tmp; char a = 'a'; char space = '\n'; char *str = "libing"; FILE *fp; fp = fopen("/work/tmp/c/txt", "w+");/*打開文件txt,并將文件指針賦值給fp,fp用于下面各個函數的參數*/ if(fp == NULL){ printf("open txt fail\n"); return -1; } /*fputc function test*/ tmp = fputc(a, stdout);/*字符a輸出到標準輸出,并將返回值賦值給tmp*/ fputc(space, stdout);/*fputc的輸出只是輸出字符,并不在后面添加換行符,我們需要自己手工添加*/ fputc(a, fp);/*字符a輸出到文件指針fp指向的文件*/ fputc(space, fp); fputc(a, fp); fputc(space, fp); printf("tmp = %d\n", tmp);/*輸出fputs函數的返回值,可以看出,它輸出的是字符a的ASCII碼*/ /*fputs function test*/ fputs(str, stdout);/*將str所指向的字符串輸出到標準輸出,注意,它不會在后面添加換行符*/ fputc(space, stdout); tmp = fputs(str, fp); fputc(space, fp);/*將str所指向的字符串輸出到文件指針fp所指向的文件*/ printf("tmp = %d\n", tmp); /*putc function test*/ tmp = putc(a, stdout);/*<span style="font-size:18px;">putc()與fputc()相同</span>*/ putc(space, stdout); putc(a, fp); putc(space, fp); putc(a, fp); putc(space, fp); printf("tmp = %d\n", tmp); /*puchar function test*/ tmp = putchar(a);/*<span style="font-size:18px;">putchar(c)等同于putc(c,stdout)</span>*/ putchar(space); printf("tmp = %d\n", tmp); /*puts function test*/ puts(str);/*將str指針所指向的字符串輸出到標準輸出,并且會在字符串后自動添加換行符*/ return 0; } ~~~
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