C Program to copy and concatenate strings without using standard functions.
In this program , we copy one string from another, and without using the standard library function strcpy from string.h .
Here we appends the one string to another without using the strcat function. Read more about C Programming Language .
In this program , we copy one string from another, and without using the standard library function strcpy from string.h .
Here we appends the one string to another without using the strcat function. Read more about C Programming Language .
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#include <stdio.h>
void newStrCpy(char *,char *);
void newStrCat(char *,char *);
void main()
{
char str1[80],str2[80];
int opn;
do
{
printf("Press 1- NewStrCpy t 2- NewStrCatt 3- Exitt Your Option?");
scanf("%d",&opn);
switch(opn)
{
case 1: flushall();
printf("n Read the Source String n");
gets(str1);
newStrCpy(str2,str1);
printf(" Copied String: %sn",str2);
break;
case 2: flushall();
printf(" Read the First String n");
gets(str1);
printf(" Read the Second String n");
gets(str2);
newStrCat(str1,str2);
printf("Concatenated String: n");
puts(str1);
break;
case 3: printf(" Exit!! Press a key . . .");
getch();
break;
default: printf(" Invalid Option!!! Try again !!!n");
break;
}
}while(opn != 3);
} /* End of main() */
void newStrCpy(char *d,char *s)
{
while( (*d++ = *s++));
}
void newStrCat(char *s, char *t)
{
while(*s)
s++;
while(*s++ = *t++);
}
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