ascii_chk.c

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#include <grass/gis.h>


#define TAB     011
#define SPACE   040


int G_ascii_check(char *string)
{
    char *ptr1, *ptr2;

    ptr1 = string;
    ptr2 = string;

    while (*ptr1) {
        if ((*ptr1 >= 040) && (*ptr1 <= 0176))
            *ptr2++ = *ptr1;
        else if (*ptr1 == TAB)
            *ptr2++ = SPACE;
        ptr1++;
    }
    *ptr2 = 0;

    return 0;
}