Permalink
Fetching contributors…
Cannot retrieve contributors at this time
41 lines (39 sloc) 797 Bytes
#include <stdio.h>
#include <stdlib.h>
int
main(int argc, char **argv)
{
char sbuf[256];
int slen=0;
int c,n;
while((c=getchar())!=EOF){
if(c>='0' && c<='9'){
/* new word - output old word first */
sbuf[slen]='\0';
puts(sbuf);
/* and read how much to go back */
n=0;
do {
/* base 10... */
n*=10;
n+=(c-'0');
} while ((c=getchar())!=EOF && c>='0' && c<='9');
slen-=n;
if(slen<0 || slen >= sizeof(sbuf)-1){
fprintf(stderr,"bad backlength %d... exiting.\n", slen);
exit(1);
}
/* we got a new letter c - continue the loop */
}
/* word letter - add it */
if(slen>=sizeof(sbuf)-1){
fprintf(stderr,"word too long... exiting.\n");
exit(1);
}
sbuf[slen++]=c;
}
/* output last word */
sbuf[slen]='\0';
puts(sbuf);
return 0;
}