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-rw-r--r--components/libc/compilers/dlib/sys/types.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/components/libc/compilers/dlib/sys/types.h b/components/libc/compilers/dlib/sys/types.h
index 3af15ba251..7e14bbbee3 100644
--- a/components/libc/compilers/dlib/sys/types.h
+++ b/components/libc/compilers/dlib/sys/types.h
@@ -24,4 +24,10 @@ typedef long signed int ssize_t; /* Used for a count of bytes or an error
#endif
typedef unsigned long useconds_t; /* microseconds (unsigned) */
+typedef unsigned long dev_t;
+
+typedef unsigned int u_int;
+typedef unsigned char u_char;
+typedef unsigned long u_long;
+
#endif