esp_vfs_pread() function

Implements the VFS layer of POSIX pread()

Syntax

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Summary

Declaration

Definition

ssize_t esp_vfs_pread(int fd, void *dst, size_t size, off_t offset);

Implemented in vfs.c:975

Argument

Declared as

Description

int

File descriptor used for read

dst

void *

Pointer to the buffer where the output will be written

size

size_t

Number of bytes to be read

offset

off_t

Starting offset of the read

A positive return value indicates the number of bytes read. -1 is return on failure and errno is set accordingly.

from examples