man_3_printf

.TH _printf
.SH NAME
    _printf - formatted output conversion
.SH SYNOPSIS
    int _printf(const char *format, ...);
.SH DESCRIPTION
    The _printf() function formats and prints output to the standard output stream (stdout). It writes the output to the terminal or other standard output device.
    The format string defines the output format. It can contain plain characters and conversion specifications. Each conversion specification starts with the character '%', followed by an optional flag, width, precision, and conversion specifier.
.SH RETURN VALUE
    Upon successful completion, _printf() returns the total number of characters written to the standard output stream. If an error occurs, it returns a negative value.
.SH FORMAT SPECIFIERS
    The following format specifiers are supported:
    %c   Character: Outputs a single character.
    %s   String: Outputs a null-terminated string.
    %d, %i Integer: Outputs a signed decimal integer.
.SH EXAMPLES
    The following examples demonstrate the usage of the printf() function:
    printf("Hello, world!\n");
    int num = 42;
    printf("The answer is %d.\n", num);
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.SH AUTHOR
    This man page was written by Romeo & Donald.
.SH COPYRIGHT
    Copyright ©️ 2023