鍍金池/ 教程/ C/ putchar() - C語言庫函數(shù)
qsort() - C語言庫函數(shù)
strxfrm() - C語言庫函數(shù)
difftime() - C語言庫函數(shù)
isdigit() - C函數(shù)
<limits.h> - C語言標(biāo)準庫
ldiv() - C語言庫函數(shù)
printf() - C語言庫函數(shù)
sin() - C函數(shù)
freopen() - C語言庫函數(shù)
NULL - C函數(shù)
mktime() - C語言庫函數(shù)
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log() - C函數(shù)
rewind() - C語言庫函數(shù)
memcpy() - C語言庫函數(shù)
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localtime() - C語言庫函數(shù)
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fgets() - C語言庫函數(shù)
errno - C語言宏
<stdlib.h> - C語言標(biāo)準庫
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putchar() - C語言庫函數(shù)
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fclose() - C庫函數(shù)
system() - C語言庫函數(shù)
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<errno.h> - C語言標(biāo)準庫
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fopen() - C語言庫函數(shù)
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fprintf() - C語言庫函數(shù)
strrchr() - C語言庫函數(shù)
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getchar() - C語言庫函數(shù)
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sprintf() - C語言庫函數(shù)
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<setjmp.h> - C語言標(biāo)準庫
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<float.h> - C語言標(biāo)準庫
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strcat() - C語言庫函數(shù)
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<locale.h> - C語言標(biāo)準庫
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<string.h> - C語言標(biāo)準庫
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atan() - C函數(shù)
C函數(shù)庫宏 assert()
<stdio.h> - C語言標(biāo)準庫
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vfprintf() - C語言庫函數(shù)
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<ctype.h> - C語言標(biāo)準庫
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EDOM - C語言宏
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fflush() - C庫函數(shù)
fgetc() - C語言庫函數(shù)
<stddef.h> - C語言標(biāo)準庫
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<math.h> - C語言標(biāo)準庫
isalnum() - C函數(shù)
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vprintf() - C語言庫函數(shù)
sqrt() - C函數(shù)
<assert.h> - C語言標(biāo)準庫
time() C語言
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memcmp() - C語言庫函數(shù)
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realloc() - C語言庫函數(shù)
puts() - C語言庫函數(shù)
scanf() - C語言庫函數(shù)
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atan2() - C函數(shù)
putc() - C語言庫函數(shù)
asin() - C函數(shù)
strcpy() - C語言庫函數(shù)
fputc() - C語言庫函數(shù)
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gmtime() - C語言庫函數(shù)
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log10() - C函數(shù)
strcmp() - C語言庫函數(shù)
<signal.h> - C語言標(biāo)準庫

putchar() - C語言庫函數(shù)

C語言庫函數(shù) int putchar(int char) 寫入一個字符(unsigned char類型)的參數(shù)指定的字符輸出到stdout。

聲明

以下是聲明的putchar() 函數(shù)。

int putchar(int char)

參數(shù)

  • char -- 這是要寫入的字符。這是通過作為整型轉(zhuǎn)換。

返回值

這個函數(shù)返回寫入的字符為unsigned char轉(zhuǎn)換為int或EOF錯誤。

例子

下面的例子顯示 putchar() 函數(shù)的用法。

#include <stdio.h>

int main ()
{
   char ch;

   for(ch = 'A' ; ch <= 'Z' ; ch++) {
      putchar(ch);
   }
   
   return(0);
}

讓我們編譯和運行上面的程序,這將產(chǎn)生以下結(jié)果:

ABCDEFGHIJKLMNOPQRSTUVWXYZ