Page 146 - DCAP507_SYSTEM_SOFTWARE

System Software

Notes fscanf(fp1,"%s",input);
}
for(n=0;n<record;n++)
{
operation=label[n][0];
length=strlen(label[n]);
for(i=1;i<length;i++)
lbl[i-1]=label[n][i];
lbl[length-1]='\0';
length=0;
strcpy(address,"\0");
location=mloc[n]-exeloc;
loc=location;
count=0;
while(length<mlen[n])
{s
trcat(address,obcode[location++].code);
count++;
length+=2;
}
for(i=0;i<num;i++)
if(strcmp(lbl,estab[i].sname)==0)
break;
switch(operation)
{ case '+':newadd=strtol(address,&add1,10)+(long int)estab[i].padd;
break;
case '-':newadd=strtol(address,&add1,10)-(long int)estab[i].padd;
break;
} ltoa(newadd,address,10);
x=0;
y=0;
while(count>0)
{
obcode[loc].code[x++]=address[y++];
if(x>1)
{
x=0;
loc++;
count--;
}}} count=0;
n=0;
fprintf(fp3,"%d\t",obcode[0].add);
for(i=0;i<inc;i++)

140 LOVELY PROFESSIONAL UNIVERSITY