Jan D. jdarge

## error.c
#define ERROR \
    do {\
        fprintf(stderr, "\nERROR: \nFile: \"%s\" \nFunction: \"%s()\" \nLine: \"%i\"\n\n", \
            __FILE__, __func__, __LINE__);\
        raise(SIGSEGV);\
    } while(0)

## a_case_for_goto.c
/*
taken from:
  MOC (music on console), alsa.c
*/
static snd_pcm_hw_params_t *alsa_open_device (const char *device)
{
    int rc;
    snd_pcm_hw_params_t *result;

    assert (!handle);

## Makefile
SRC_DIR := src
INC_DIR := include
OBJ_DIR := obj
BIN_DIR := bin

EXE := $(BIN_DIR)/aes

SRC := $(wildcard $(SRC_DIR)/*.c)
OBJ := $(SRC:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)

## simple_file_read.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

char* readFile(char* input) {

    FILE* input_file = fopen(input, "r");

    if(!input_file) return NULL;

## simple_concat.c
// CPP program to illustrate (##) operator
#include <stdio.h>
#define concat(a, b) a##b
int main(void)
{
    int xy = 30;
    printf("%d", concat(x, y));
    return 0;
}

## easy c definitions.md

      
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                jdarge
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              April 28, 2024 16:40
            
          
    echo "" | gcc -E -dM -xc -

example:
echo "" | gcc -E -dM -xc - | grep SIZEOF


## gist:38fe4594986579224a03529066547502
gcc -o run main.c $(pkg-config --cflags --libs gtk4 | perl -pe 's/\s+/\n/g')
	#define ERROR \
	do {\
	fprintf(stderr, "\nERROR: \nFile: \"%s\" \nFunction: \"%s()\" \nLine: \"%i\"\n\n", \
	__FILE__, __func__, __LINE__);\
	raise(SIGSEGV);\
	} while(0)
	/*
	taken from:
	MOC (music on console), alsa.c
	*/
	static snd_pcm_hw_params_t alsa_open_device (const char device)
	{
	int rc;
	snd_pcm_hw_params_t *result;

	assert (!handle);
	SRC_DIR := src
	INC_DIR := include
	OBJ_DIR := obj
	BIN_DIR := bin

	EXE := $(BIN_DIR)/aes

	SRC := $(wildcard $(SRC_DIR)/*.c)
	OBJ := $(SRC:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <unistd.h>

	char* readFile(char* input) {

	FILE* input_file = fopen(input, "r");

	if(!input_file) return NULL;
	// CPP program to illustrate (##) operator
	#include <stdio.h>
	#define concat(a, b) a##b
	int main(void)
	{
	int xy = 30;
	printf("%d", concat(x, y));
	return 0;
	}