include<stdio.h>int main(){char tstStr[]="abcabc";char destStr[8]={'\0'};int i,j;for(i=0;i<6;i++){strncpy(destStr,tstStr,i+1);destStr[i+1]=' ';strncpy(destStr+i+2,tstStr,6-i-1);printf("destStr=%s\n",destStr);}return 0;} ...