ABL electronic PIC Microcontrollers PIC16 - Manual (Page 69)

Below is the overview of arithmetic types:
MikroElektronika: Development tools - Books - Compilers
61
page
mikroC - C Compiler for Microchip PIC microcontrollers
mikroC
making it simple...
Type Size Range
(unsigned) char
8-bit 0 .. 255
signed char
8-bit - 128 .. 127
(signed) short (int)
8-bit - 128 .. 127
unsigned short (int)
8-bit 0 .. 255
(signed) int
16-bit -32768 .. 32767
unsigned (int)
16-bit 0 .. 65535
(signed) long (int)
32-bit -2147483648 .. 2147483647
unsigned long (int)
32-bit 0 .. 4294967295
float
32-bit
±1.17549435082E-38 ..
±6.80564774407E38
double
32-bit
±1.17549435082E-38 ..
±6.80564774407E38
long double
32-bit
±1.17549435082E-38 ..
±6.80564774407E38