[C/C++] putchar 函數

功能：將指定字元寫到標準輸出

/* putchar example: printing the alphabet */
#include <stdio.h>

int main ()
{
    char c;
    for (c = 'A' ; c <= 'Z' ; c++)
    {
        putchar (c);
    }

    return 0;
}


參考出處：

http://www.cplusplus.com/reference/cstdio/putchar/?kw=putchar