diff --git a/local/strverscmp.c b/local/strverscmp.c
index 2d1b4066..e71ecd09 100644
--- a/local/strverscmp.c
+++ b/local/strverscmp.c
@@ -22,7 +22,7 @@
 /* #include "safe-ctype.h" */
 #include <ctype.h>
 
-/* 
+/*
 @deftypefun int strverscmp (const char *@var{s1}, const char *@var{s2})
 The @code{strverscmp} function compares the string @var{s1} against
 @var{s2}, considering them as holding indices/version numbers.  Return
@@ -144,14 +144,14 @@ strverscmp (const char *s1, const char *s2)
     {
     case CMP:
       return diff;
-      
+
     case LEN:
       while (isdigit (*p1++))
 	if (!isdigit (*p2++))
 	  return 1;
-      
+
       return isdigit (*p2) ? -1 : diff;
-      
+
     default:
       return state;
     }
diff --git a/man/ps.1 b/man/ps.1
index 095425f4..382e9786 100644
--- a/man/ps.1
+++ b/man/ps.1
@@ -1256,7 +1256,7 @@ T}
 
 drs	DRS	T{
 data resident set size, the amount of private memory \fIreserved\fR by a process.
-It is also known as DATA. Such memory may not yet be mapped to 
+It is also known as DATA. Such memory may not yet be mapped to
 .B rss
 but will always be included
 included in the
@@ -1278,12 +1278,12 @@ otherwise.  (alias
 T}
 
 eip	EIP	T{
-instruction pointer. As of kernel 4.9.xx will be zeroed out unless task is 
+instruction pointer. As of kernel 4.9.xx will be zeroed out unless task is
 exiting or being core dumped.
 T}
 
 esp	ESP	T{
-stack pointer. As of kernel 4.9.xx will be zeroed out unless task is 
+stack pointer. As of kernel 4.9.xx will be zeroed out unless task is
 exiting or being core dumped.
 T}
 
diff --git a/src/tests/test_shm.c b/src/tests/test_shm.c
index 49067304..39173796 100644
--- a/src/tests/test_shm.c
+++ b/src/tests/test_shm.c
@@ -41,7 +41,7 @@ int main(int argc, char *argv[])
 
     sleep_time = DEFAULT_SLEEPTIME;
     while ((opt = getopt(argc, argv, "s:")) != -1)
-    { 
+    {
         switch(opt)
         {
 	    case 's':