07/08/30 03:45:09
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#include <stdio.h> #include <ctype.h> #define EOA -1
int mystrlen(int *pstr); int usepointersum(int *ary); void mystrcpy(char *pstr,char *pans);
int main()
{ char ary1[] = "Kyoto"; char ary2[] = "Kyoto Univ"; int iary[] ={ 1,3,5,7,9,2,10,4,8,6,EOA};
char ary3[] = "m04d12t5"; char ary4[20] ={'\0'}; int i;
printf("%s\t%d\n",ary1,mystrlen(ary1)); printf("%s\t%d\n",ary2,mystrlen(ary2));
for(i = 0; i < sizeof(iary)/sizeof(int);i++) printf("%d ",iary[i]);
putchar('\n'); printf("%d \n",usepointersum(iary)); printf("%s \n",ary3);
mystrcpy(ary3,ary4); for(i = 0; ary4[i] != '\0';i++) putchar(ary4[i]);
putchar('\n'); return 0; }
int mystrlen(int *pstr)
{ char *temp=NULL; int num = 0; int i = 0; for(temp = (char *)pstr; *temp!='\0';temp++){
if(*temp > ' '){ num++; } } return num; } int usepointersum(int *ary) {
int sum = 0; int *temp; for(temp = ary; *temp != EOA;temp++) sum += *temp;
return sum; }
void mystrcpy(char *pstr,char *pans)
{
char *tstr;
int i,j=0;
for(tstr = pstr; *tstr != '\0'; tstr++)
if(!(isdigit(*tstr))){
pans[j] = *tstr;
j++;
}
pans[j]='\0';
}