Concatenate Two Strings Without Using strcat()
C Programming Language String functions in C (Article) String functions in C (Program)
401Program:
#include int main() { char s1[100] = "programming ", s2[] = "is awesome"; int length, j; // store length of s1 in the length variable length = 0; while (s1[length] != '\0') { ++length; } // concatenate s2 to s1 for (j = 0; s2[j] != '\0'; ++j, ++length) { s1[length] = s2[j]; } // terminating the s1 string s1[length] = '\0'; printf("After concatenation: "); puts(s1); return 0; }
Output:
After concatenation: programming is awesome
Explanation:
Here, two strings s1 and s2 and concatenated and the result is stored in s1.
It's important to note that the length of s1 should be sufficient to hold the string after concatenation. If not, you may get unexpected output.
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