main.c File Reference

Read-only ifconfig — prints eth0 inet address, MAC, and byte counters from sysfs. Per D-01, D-05. More...

#include <string.h>
#include <unistd.h>
#include <fcntl.h>

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Functions
static void	rprint (const char *s)
static int	read_sysfs (const char *path, char *buf, int bufsiz)
	Read a sysfs file into buf, strip trailing newline, null-terminate.
int	main (void)

Detailed Description

Read-only ifconfig — prints eth0 inet address, MAC, and byte counters from sysfs. Per D-01, D-05.

Function Documentation

main()

int main

(

void

)

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read_sysfs()

int read_sysfs ( const char * path, char * buf, int bufsiz )

static

Read a sysfs file into buf, strip trailing newline, null-terminate.

Parameters

path	Sysfs path to open.
buf	Destination buffer.
bufsiz	Size of destination buffer (including null terminator space).

Returns

Number of bytes read (excluding null), or -1 on error.

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rprint()

void rprint ( const char * s )

static

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