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43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* C program to read two strings and concatenate them, without using
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* library functions. Display the concatenated string.
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*/
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#include <stdio.h>
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#include <string.h>
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void main()
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{
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char string1[20], string2[20];
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int i, j, pos;
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/* Initialize the string to NULL values */
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memset(string1, 0, 20);
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memset(string2, 0, 20);
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printf("Enter the first string : ");
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scanf("%s", string1);
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printf("Enter the second string: ");
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scanf("%s", string2);
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printf("First string = %s\n", string1);
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printf("Second string = %s\n", string2);
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/* Concate the second string to the end of the first string */
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for (i = 0; string1[i] != '\0'; i++)
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{
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/* null statement: simply traversing the string1 */
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;
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}
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pos = i;
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for (j = 0; string2[j] != '\0'; i++)
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{
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string1[i] = string2[j++];
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}
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/* set the last character of string1 to NULL */
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string1[i] = '\0';
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printf("Concatenated string = %s\n", string1);
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}
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/*
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*OUTPUT:
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Enter the first string : San
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Enter the second string: foundry
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First string = San
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Second string = foundry
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Concatenated string = Sanfoundry
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*/ |