What does printf stand for in c language

The printf function is a standard function in C language for printing formatted data. Its function is to output the data to the standard output stream and format it according to the specified format. It does this via format strings and variable parameters, allowing the format and location of the data type to be specified. For example, printf("Age: %d\n", age) will print the value of the variable age and format it as a decimal integer.

The role of printf function in C language

The printf function is used in C language to print formatted data standard function. Its function is to output data to the standard output stream (usually a terminal) and format the data according to the specified format.

Usage:

printf("format string", variable 1, variable 2, ...);

Parameters:

• Format string: Specifies the format of the output data. It contains special format specifiers that specify the format and location of the data type.
• Variable: Data variable to be printed.

Format specifier:

• %d: decimal integer
• %f: floating point number
• %c: character
• %s: string

Example:

<code class="c">#include <stdio.h>

int main() {
    int age = 30;
    float salary = 5000.0;

    printf("年龄：%d\n", age);
    printf("工资：%.2f\n", salary);

    return 0;
}</code>

Output:

<code>年龄：30
工资：5000.00</code>

The above is the detailed content of What does printf stand for in c language. For more information, please follow other related articles on the PHP Chinese website!