Index: uspace/lib/c/include/loader/pcb.h
===================================================================
--- uspace/lib/c/include/loader/pcb.h	(revision 7ca51cc042eeb097f77682bee8ca72552776c00b)
+++ uspace/lib/c/include/loader/pcb.h	(revision 12bdbcc6c84d5d9ed87e608479b389e608f2cc74)
@@ -37,4 +37,5 @@
 #define LIBC_PCB_H_
 
+#include <tls.h>
 
 typedef void (*entry_point_t)(void);
@@ -76,4 +77,7 @@
 	/** Pointer to dynamic linker state structure (rtld_t). */
 	void *rtld_runtime;
+
+	/** Thread local storage for the main thread. */
+	tcb_t *tcb;
 } pcb_t;