History of Unix

[modrobert]

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Brian Kernighan’s speech “History of UNIX” from VCF.

[bonerboy69]

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The creator of AWK.

[modrobert]

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Yes, to me his greatest achievement is “The C Programming Language”:

[bonerboy69]

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// C Program to sort an array using qsort() function in C
#include <stdio.h>
#include <stdlib.h>

// If a should be placed before b, compare function should
// return positive value, if it should be placed after b,
// it should return negative value. Returns 0 otherwise
int compare(const void* a, const void* b) {
    return (*(int*)a - *(int*)b);
}

int main() {
    int arr[] = { 4, 2, 5, 3, 1 };
    int n = sizeof(arr) / sizeof(arr[0]);
	
  	// Sorting arr using inbuilt quicksort method
    qsort(arr, n, sizeof(int), compare);

    for (int i = 0; i < n; i++)
        printf("%d ", arr[i]);

    return 0;
}

• This reply was modified 10 months ago by bonerboy69.
• This reply was modified 10 months ago by bonerboy69.
• This reply was modified 10 months ago by bonerboy69.
• This reply was modified 10 months ago by bonerboy69.

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