c语言printf输出语句
A printf() function is a standard library function, that is used to print the text and value on the standard output screen. Here, we will evaluate the expression – where a printf() is used within another printf() statement.
printf()函数是一个标准库函数，用于在标准输出屏幕上打印文本和值。 在这里，我们将评估表达-在一个printf()是另外的printf()语句中使用。
Consider the statement:
考虑以下语句：
printf ("%d", printf ("Hello"));
Note these points:
请注意以下几点：
printf() prints the text as well as the value of the variable, constant etc.
printf()打印文本以及变量，常量等的值。
printf() returns an intege
