#include <stdio.h>
#include <string.h>
//einfaches Parserprogramm
 
char *get_config(char *name, FILE *file) {
 
    char buffer[200];
    char a_name[100];
    static char value[100];
    size_t i,len;
 
    rewind(file);
    while (!feof(file)) {
        fscanf(file," %200[^\n]",buffer);
        if (';' == buffer[0] )
            continue;
        sscanf(buffer," %99[^ =] = %99[^\n]",a_name,value);
        len = strlen(a_name);
        for (i=0;i<len;i++)
            if ('_' == a_name[i] )
                memmove(a_name+i,a_name+i+1,len-i);
        if (!strcasecmp(a_name,name))
            break;
         else value[0] = '\0';
    }
    return value;
}
 
//--------------------------------------------
int main(void) {
 
    FILE *config;
    char *configfile="test.cfg";
    char *pString;
 
    if (NULL == (config = fopen(configfile,"r" )))
        fprintf(stderr,"\nUnable to open configuration file %s\n",configfile);
 
 
    //---------------
    unsigned short i=0;
    char *p[]={"name","wert","height","width"};
 
//    printf("Anzahl der Elemente: %d\n", sizeof(p)/sizeof(int));
 
    for (i=0;i<(sizeof(p)/sizeof(int));i++)
         {
 
            pString = get_config(p[i],config);//Abfrage , ob der Eintrag existiert
	    if (pString[0])
    		printf("Variable %s ist %s\n", p[i],get_config(p[i],config));
	    else
    	    printf("Fehler: %s nicht in config %s gefunden\n",p[i],configfile);
 
         }
 
    fclose(config);
    return 0;
}
//---------------------------------------------
/* test.cfg Datei zum parsen
#this a comment
;this a comment
name = test2
wert = 4711
height=80
*/