atlibc

io.h

Input/output utilities.

Functions

int io_puts(String msg, int stream)

Write a string to the given stream.

• Parameters:
• msg: String to write.
• stream: One of STDIN, STDOUT, STDERR.
• Returns: Number of bytes written, or -1 on error.
• Notes: No newline is appended. Uses the write syscall.

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int io_gets(String* msg, int stream, int count)

Read up to count bytes from stream into msg.

• Parameters:
• msg: Pointer to an existing String with allocated space.
• stream: One of STDIN, STDOUT, STDERR.
• count: Maximum number of characters to read.
• Returns: Number of bytes read, or -1 on error.
• Notes: Caller must ensure msg->chars has capacity.

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