diff --git a/miniz.c b/miniz.c
index d05a60b..a893720 100644
--- a/miniz.c
+++ b/miniz.c
@@ -916,12 +916,12 @@ typedef unsigned char mz_validate_uint64[sizeof(mz_uint64)==8 ? 1 : -1];
   #define MZ_READ_LE32(p) ((mz_uint32)(((const mz_uint8 *)(p))[0]) | ((mz_uint32)(((const mz_uint8 *)(p))[1]) << 8U) | ((mz_uint32)(((const mz_uint8 *)(p))[2]) << 16U) | ((mz_uint32)(((const mz_uint8 *)(p))[3]) << 24U))
 #endif
 
-#if !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(__MINGW64__) && !defined(__forceinline)
-  #ifdef __cplusplus
-    #define __forceinline inline
-  #else
-    #define __forceinline
-  #endif
+#ifdef _MSC_VER
+  #define MZ_FORCEINLINE __forceinline
+#elif defined(__GNUC__)
+  #define MZ_FORCEINLINE __attribute__((__always_inline__))
+#else
+  #define MZ_FORCEINLINE inline
 #endif
 
 #ifdef __cplusplus
@@ -2213,8 +2213,7 @@ static int tdefl_flush_block(tdefl_compressor *d, int flush)
 
 #if MINIZ_USE_UNALIGNED_LOADS_AND_STORES
 #define TDEFL_READ_UNALIGNED_WORD(p) *(const mz_uint16*)(p)
-static __forceinline void tdefl_find_match(tdefl_compressor *d, mz_uint lookahead_pos, mz_uint max_dist, mz_uint max_match_len, mz_uint *pMatch_dist, mz_uint *pMatch_len)
-
+static MZ_FORCEINLINE void tdefl_find_match(tdefl_compressor *d, mz_uint lookahead_pos, mz_uint max_dist, mz_uint max_match_len, mz_uint *pMatch_dist, mz_uint *pMatch_len)
 {
   mz_uint dist, pos = lookahead_pos & TDEFL_LZ_DICT_SIZE_MASK, match_len = *pMatch_len, probe_pos = pos, next_probe_pos, probe_len;
   mz_uint num_probes_left = d->m_max_probes[match_len >= 32];
@@ -2248,7 +2247,7 @@ static __forceinline void tdefl_find_match(tdefl_compressor *d, mz_uint lookahea
   }
 }
 #else
-static __forceinline void tdefl_find_match(tdefl_compressor *d, mz_uint lookahead_pos, mz_uint max_dist, mz_uint max_match_len, mz_uint *pMatch_dist, mz_uint *pMatch_len)
+static MZ_FORCEINLINE void tdefl_find_match(tdefl_compressor *d, mz_uint lookahead_pos, mz_uint max_dist, mz_uint max_match_len, mz_uint *pMatch_dist, mz_uint *pMatch_len)
 {
   mz_uint dist, pos = lookahead_pos & TDEFL_LZ_DICT_SIZE_MASK, match_len = *pMatch_len, probe_pos = pos, next_probe_pos, probe_len;
   mz_uint num_probes_left = d->m_max_probes[match_len >= 32];
@@ -2416,7 +2415,7 @@ static mz_bool tdefl_compress_fast(tdefl_compressor *d)
 }
 #endif // MINIZ_USE_UNALIGNED_LOADS_AND_STORES && MINIZ_LITTLE_ENDIAN
 
-static __forceinline void tdefl_record_literal(tdefl_compressor *d, mz_uint8 lit)
+static MZ_FORCEINLINE void tdefl_record_literal(tdefl_compressor *d, mz_uint8 lit)
 {
   d->m_total_lz_bytes++;
   *d->m_pLZ_code_buf++ = lit;
@@ -2424,7 +2423,7 @@ static __forceinline void tdefl_record_literal(tdefl_compressor *d, mz_uint8 lit
   d->m_huff_count[0][lit]++;
 }
 
-static __forceinline void tdefl_record_match(tdefl_compressor *d, mz_uint match_len, mz_uint match_dist)
+static MZ_FORCEINLINE void tdefl_record_match(tdefl_compressor *d, mz_uint match_len, mz_uint match_dist)
 {
   mz_uint32 s0, s1;
 
@@ -2868,7 +2867,7 @@ struct mz_zip_internal_state_tag
 #define MZ_ZIP_ARRAY_SET_ELEMENT_SIZE(array_ptr, element_size) (array_ptr)->m_element_size = element_size
 #define MZ_ZIP_ARRAY_ELEMENT(array_ptr, element_type, index) ((element_type *)((array_ptr)->m_p))[index]
 
-static __forceinline void mz_zip_array_clear(mz_zip_archive *pZip, mz_zip_array *pArray)
+static MZ_FORCEINLINE void mz_zip_array_clear(mz_zip_archive *pZip, mz_zip_array *pArray)
 {
   pZip->m_pFree(pZip->m_pAlloc_opaque, pArray->m_p);
   memset(pArray, 0, sizeof(mz_zip_array));
@@ -2883,25 +2882,25 @@ static mz_bool mz_zip_array_ensure_capacity(mz_zip_archive *pZip, mz_zip_array *
   return MZ_TRUE;
 }
 
-static __forceinline mz_bool mz_zip_array_reserve(mz_zip_archive *pZip, mz_zip_array *pArray, size_t new_capacity, mz_uint growing)
+static MZ_FORCEINLINE mz_bool mz_zip_array_reserve(mz_zip_archive *pZip, mz_zip_array *pArray, size_t new_capacity, mz_uint growing)
 {
   if (new_capacity > pArray->m_capacity) { if (!mz_zip_array_ensure_capacity(pZip, pArray, new_capacity, growing)) return MZ_FALSE; }
   return MZ_TRUE;
 }
 
-static __forceinline mz_bool mz_zip_array_resize(mz_zip_archive *pZip, mz_zip_array *pArray, size_t new_size, mz_uint growing)
+static MZ_FORCEINLINE mz_bool mz_zip_array_resize(mz_zip_archive *pZip, mz_zip_array *pArray, size_t new_size, mz_uint growing)
 {
   if (new_size > pArray->m_capacity) { if (!mz_zip_array_ensure_capacity(pZip, pArray, new_size, growing)) return MZ_FALSE; }
   pArray->m_size = new_size;
   return MZ_TRUE;
 }
 
-static __forceinline mz_bool mz_zip_array_ensure_room(mz_zip_archive *pZip, mz_zip_array *pArray, size_t n)
+static MZ_FORCEINLINE mz_bool mz_zip_array_ensure_room(mz_zip_archive *pZip, mz_zip_array *pArray, size_t n)
 {
   return mz_zip_array_reserve(pZip, pArray, pArray->m_size + n, MZ_TRUE);
 }
 
-static __forceinline mz_bool mz_zip_array_push_back(mz_zip_archive *pZip, mz_zip_array *pArray, const void *pElements, size_t n)
+static MZ_FORCEINLINE mz_bool mz_zip_array_push_back(mz_zip_archive *pZip, mz_zip_array *pArray, const void *pElements, size_t n)
 {
   size_t orig_size = pArray->m_size; if (!mz_zip_array_resize(pZip, pArray, orig_size + n, MZ_TRUE)) return MZ_FALSE;
   memcpy((mz_uint8*)pArray->m_p + orig_size * pArray->m_element_size, pElements, n * pArray->m_element_size);
@@ -2974,7 +2973,7 @@ static mz_bool mz_zip_reader_init_internal(mz_zip_archive *pZip, mz_uint32 flags
   return MZ_TRUE;
 }
 
-static __forceinline mz_bool mz_zip_reader_filename_less(const mz_zip_array *pCentral_dir_array, const mz_zip_array *pCentral_dir_offsets, mz_uint l_index, mz_uint r_index)
+static MZ_FORCEINLINE mz_bool mz_zip_reader_filename_less(const mz_zip_array *pCentral_dir_array, const mz_zip_array *pCentral_dir_offsets, mz_uint l_index, mz_uint r_index)
 {
   const mz_uint8 *pL = &MZ_ZIP_ARRAY_ELEMENT(pCentral_dir_array, mz_uint8, MZ_ZIP_ARRAY_ELEMENT(pCentral_dir_offsets, mz_uint32, l_index)), *pE;
   const mz_uint8 *pR = &MZ_ZIP_ARRAY_ELEMENT(pCentral_dir_array, mz_uint8, MZ_ZIP_ARRAY_ELEMENT(pCentral_dir_offsets, mz_uint32, r_index));
@@ -3208,7 +3207,7 @@ mz_uint mz_zip_reader_get_num_files(mz_zip_archive *pZip)
   return pZip ? pZip->m_total_files : 0;
 }
 
-static __forceinline const mz_uint8 *mz_zip_reader_get_cdh(mz_zip_archive *pZip, mz_uint file_index)
+static MZ_FORCEINLINE const mz_uint8 *mz_zip_reader_get_cdh(mz_zip_archive *pZip, mz_uint file_index)
 {
   if ((!pZip) || (!pZip->m_pState) || (file_index >= pZip->m_total_files) || (pZip->m_zip_mode != MZ_ZIP_MODE_READING))
     return NULL;
@@ -3297,7 +3296,7 @@ mz_uint mz_zip_reader_get_filename(mz_zip_archive *pZip, mz_uint file_index, cha
   return n + 1;
 }
 
-static __forceinline mz_bool mz_zip_reader_string_equal(const char *pA, const char *pB, mz_uint len, mz_uint flags)
+static MZ_FORCEINLINE mz_bool mz_zip_reader_string_equal(const char *pA, const char *pB, mz_uint len, mz_uint flags)
 {
   mz_uint i;
   if (flags & MZ_ZIP_FLAG_CASE_SENSITIVE)
@@ -3308,7 +3307,7 @@ static __forceinline mz_bool mz_zip_reader_string_equal(const char *pA, const ch
   return MZ_TRUE;
 }
 
-static __forceinline int mz_zip_reader_filename_compare(const mz_zip_array *pCentral_dir_array, const mz_zip_array *pCentral_dir_offsets, mz_uint l_index, const char *pR, mz_uint r_len)
+static MZ_FORCEINLINE int mz_zip_reader_filename_compare(const mz_zip_array *pCentral_dir_array, const mz_zip_array *pCentral_dir_offsets, mz_uint l_index, const char *pR, mz_uint r_len)
 {
   const mz_uint8 *pL = &MZ_ZIP_ARRAY_ELEMENT(pCentral_dir_array, mz_uint8, MZ_ZIP_ARRAY_ELEMENT(pCentral_dir_offsets, mz_uint32, l_index)), *pE;
   mz_uint l_len = MZ_READ_LE16(pL + MZ_ZIP_CDH_FILENAME_LEN_OFS);