Luigi Capogrosso
24 lines
833 B
C
24 lines
833 B
C
/// MentOS, The Mentoring Operating system project
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/// @file read_write.c
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/// @brief Read and write functions.
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/// @copyright (c) 2019 This file is distributed under the MIT License.
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/// See LICENSE.md for details.
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#pragma once
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#include "stddef.h"
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/// @brief Read data from a file descriptor.
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/// @param fd The file descriptor.
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/// @param buf The buffer.
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/// @param nbytes The number of bytes to read.
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/// @return The number of read characters.
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ssize_t sys_read(int fd, void *buf, size_t nbytes);
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/// @brief Write data into a file descriptor.
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/// @param fd The file descriptor.
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/// @param buf The buffer collecting data to written.
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/// @param nbytes The number of bytes to write.
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/// @return The number of written bytes.
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ssize_t sys_write(int fd, void *buf, size_t nbytes);
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