include <stdio.h> int main(){ char strArr[5000] = {0}; char p = strArr; fget(strArr,sizeof(strArr),stdio); if(p) return 0; int iLen = strlen(p) -1; char pTmp = p +iLen -1; int iCnt = 0; while(pTmp != ' ') pTmp--; return p-pTmp;}