cnre test #include<conio.h> #include<stdio.h> #include<string.h> #include<stdlib.h> void fun(char *ss) { int i; for(i=0;ss[i]!='\0';i++) { if(i%2==1&&ss[i]>='a'&&ss[i]<='z') ss[i]-=32; }

} void main() { FILE wf; char tt[81],s[81]="abc4Efg"; system("CLS"); printf("\nPlease enter an string within 80 characters:\n"); gets(tt); printf("\n\nAfter changing, the string\n %s",tt); fun(tt); printf("\nbecomes\n %s\n",tt); // wf=fopen("out.dat","w"); fun(s); fprintf (wf,"%s",s); fclose(wf); // } 89programming exercise43 #include <stdio.h> void fun( char *a ) { char *t=a; int i,j=0,m=0,n=0; while(t) { t++; m++;} while(t=='') { t--; n++;} for(i=0;i<m-n;i++) a[j++]=t[i]; a[j]='\0';

}

void main() { char s[81];void NONO (); printf("Enter a string:\n");gets(s); fun( s ); printf("The string after deleted:\n");puts(s); NONO(); } void NONO () {/* ±¾º¯ÊýÓÃÓÚ´ò¿ªÎļþ£¬ÊäÈëÊý¾Ý£¬µ÷Óú¯Êý£¬Êä³öÊý¾Ý£¬¹Ø±ÕÎļþ¡£ */ FILE *in, *out ; int i ; char s[81] ; in = fopen("in.dat","r") ; out = fopen("out.dat","w") ; for(i = 0 ; i < 10 ; i++) { fscanf(in, "%s", s) ; fun(s) ; fprintf(out, "%s\n", s) ;
} fclose(in) ; fclose(out) ; }