ref: dc593372bfc4224c6cf91d2031d0ad0aeadaddfe
dir: /sys/man/2/qsort/
.TH QSORT 2 .SH NAME qsort \- quicker sort .SH SYNOPSIS .B #include <u.h> .br .B #include <libc.h> .PP .B .nf void qsort(void *base, long nel, long width, .B int (*compar)(void*, void*)) .fi .SH DESCRIPTION .I Qsort (quicker sort) sorts an array into nondecreasing order. The first argument is a pointer to the base of the data; the second is the number of elements; the third is the width of an element in bytes; the last is the name of a comparison routine to be called with pointers to elements being compared. The routine must return an integer less than, equal to, or greater than 0 according as the first argument is to be considered less than, equal to, or greater than the second. .SH SOURCE .B /sys/src/libc/port/qsort.c .SH "SEE ALSO" .IR sort (1)