pctl format output as a table

user/pctl/ls.c

@@ -0,0 +1,19 @@
+#include <stddef.h>
+#include <stdint.h>
+#include <system/system.h>
+#include <sysdefs/processctl.h>
+#include <util/util.h>
+#include <errors.h>
+#include <uprintf.h>
+
+void pctl_ls(void) {
+  uint64_t procslen = processctl(-1, PCTL_PLS_SZ, 0, 0, 0);
+  uprintf("%-80s %s %-6s\n", "NAME", "PID", "TYPE");
+  for (size_t i = 0; i < procslen; i++) {
+    ProcStat stat = ZERO(&stat);
+    int32_t r = processctl(-1, PCTL_PLS_STAT, i, (uint64_t)&stat, 0);
+    if (r == E_OK) {
+      uprintf("%-80s %3lu %-6s\n", stat.name, stat.pid, stat.kern ? "KERNEL" : "USER");
+    }
+  }
+}