Вырезание строки в чистом си

#include <stdio.h>

int main(void)
{
    const char *entry = "0.000315625,1,DATA,0x10210046,0x8,0x01 0x4A 0x00 0x79 0x0A 0xB3 0x00 0x01,0x6208,ACK";
    unsigned values[8];
    sscanf(entry, "%*f,%*d,DATA,%*x,0x8,%x %x %x %x %x %x %x %x,%*x,ACK",
           values + 0, values + 1, values + 2, values + 3,
           values + 4, values + 5, values + 6, values + 7);
    printf("0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X\n",
           values[0], values[1], values[2], values[3],
           values[4], values[5], values[6], values[7]);
}

#include <stdio.h>

void main () {
        char *s="0.000315625,1,DATA,0x10210046,0x8,0x01 0x4A 0x00 0x79 0x0A 0xB3 0x00 0x01,0x6208,ACK";

        char *s2[255];
        float f; int i,j,k;
        unsigned char hexes[8];
        sscanf(s, "%f,%d,DATA,%x,%x,%i%i%i%i%i%i%i%i,%s", &f,&i,&j,&k,&hexes[0],&hexes[1],&hexes[2],&hexes[3],&hexes[4],&hexes[5],&hexes[6],&hexes[7],s2);
        printf("%x\n", hexes[7]);

}

locale
LANG=ru_RU.koi8-r
LC_CTYPE="ru_RU.koi8-r"
LC_NUMERIC=C
LC_TIME="ru_RU.koi8-r"
LC_COLLATE="ru_RU.koi8-r"
LC_MONETARY="ru_RU.koi8-r"
LC_MESSAGES="ru_RU.koi8-r"
LC_PAPER="ru_RU.koi8-r"
LC_NAME="ru_RU.koi8-r"
LC_ADDRESS="ru_RU.koi8-r"
LC_TELEPHONE="ru_RU.koi8-r"
LC_MEASUREMENT="ru_RU.koi8-r"
LC_IDENTIFICATION="ru_RU.koi8-r"
LC_ALL=

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

// Global data
char buf[200];		/* input line buffer */
char *field[20];	/* fields */
//

// Functions
int csvgetline(FILE *fin);
char* unquote(char *p);
//

/* csvgetline: read and parse line, return field count */
/* sample input: "LU",86.25,"11/4/1998","2:19PM",+4.0625 */
int csvgetline(FILE *fin)
{	
	int nfield=0;
	char *p, *q;
																															/* spacer */
	if (fgets(buf, sizeof(buf), fin) == NULL)
		return -1;
	nfield = 0;
	for (q = buf; (p=strtok(q, ",\n\r")) != NULL; q = NULL)
		field[nfield++] = p; //unquote(p);
	return nfield;
}

/* unquote: remove leading and trailing quote */
char *unquote(char *p)
{
	if (p[0] == '"') {
		if (p[strlen(p)-1] == '"')
			p[strlen(p)-1] = '\0';
		p++;
	}
	return p;
}

int main(int argc, char *argv[])
{
	FILE * fp;
	int i, nf;
	char outData[100]="";

    if (argc < 2) 
	{
        printf("Usage: parse_hex_data [datafile] \n"
        	   "Parse data files\n");
        return 1;
    }
    
	fp = fopen( argv[1], "r" );
	if( fp == NULL ) {
		fputs("Error open data file \n", stderr);
		exit(1);
	}
	while ((nf = csvgetline(fp)) != -1)  
	{
		printf("%s\n",field[5]);  // ????????

		for (i = 0; i < nf; i++) 
		{
			strcat(outData," ");
			strcat(outData,field[i]);
		}
		printf("%s\n",outData);
		outData[0]='\0';
			
	}	
	fclose(fp);
	return 0;
}

awk -F'[, ]' '{ for (i = 0; i < 4; i++) { x = 0; for (j = 0; j < 2; j++) x += $(i*2 + j + 6) * 256^(1 - j); printf("%u\n", x) } print "" }' test.txt