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#include <stdio.h>
static char copyright[] = "Copyright (C) Ken Yap 1988";
static long position[10000];
#define sizeoftab (sizeof(position)/sizeof(position[0]))
scanfont(f)
FILE *f;
{
register int i, index;
register long pos;
char line[512];
char sindex[6];
for (i = 0; i < sizeoftab; ++i)
position[i] = -2;
sindex[5] = '\0';
pos = 0L;
while (fgets(line, sizeof(line), f) != NULL)
{
(void)strncpy(sindex, line, 5);
index = atoi(sindex);
if (index < 0 || index >= sizeoftab)
{
(void)fprintf(stderr, "Bad char index %s\n", sindex);
continue;
}
position[index] = pos;
pos = ftell(f);
}
(void)fseek(f, 0L, 0);
}
int getline(f, index, buf, buflen)
FILE *f;
int index;
char *buf;
int buflen;
{
register long pos;
if (index < 0 || index >= sizeoftab)
return (0);
if ((pos = position[index]) < 0)
return (0);
if (fseek(f, pos, 0) < 0)
return (0);
if (fgets(buf, buflen, f) == NULL)
return (0);
return (1);
}
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