Documentation of kernel API

doc/syscalls.md

@@ -150,12 +150,14 @@ Return Values:
 This call fills in the specified buffer with the current date,
 in the following format:
 
+```
     struct {
         uint16_t year // Current year
         uint8_t month; // 1 = January..12 = December
         uint8_t day; // 1..31
         uint8_t weekday; // 0 = Sunday..6=Saturday
     }
+```
 
 ## 0x0A: Set Date
 
@@ -169,12 +171,14 @@ Return Values:
 
 Argument Structure:
 
+```
     struct {
         uint16_t year // Current year
         uint8_t month; // 1 = January..12 = December
         uint8_t day; // 1..31
         uint8_t weekday; // 0 = Sunday..6=Saturday
     };
+```
 
 This call sets the system date from the data in the argument structure.
 
@@ -190,11 +194,13 @@ Return Values:
 
 Argument Structure:
 
+```
     struct {
         uint8_t hour; // 0..23
         uint8_t minute; // 0..59
         uint8_t second; // 0..59
     };
+```
 
 This call fills in the specified argument structure with the current time.
 
@@ -279,14 +285,15 @@ Return Values:
  - C: Status code
  - X: Number of bytes actually read
 
-Argument block structure:
+Argument Structure:
 
+```
     struct {
         void *dest; // Pointer to the buffer to use.
         uint16_t file; // File handle.
         size_t length; // Maximum number of bytes to read.
     };
-
+```
 
 This call attempts to read up to `length` bytes from the file handle `file`, into
 the buffer pointed to by `dest`. On success, the C accumulator will contain STATUS_OK,
@@ -305,14 +312,15 @@ Return Values:
  - C: Status code
  - X: Number of bytes actually written
 
-Argument block structure:
+Argument Structure:
 
+```
     struct {
         void *src; // Pointer to the buffer to use.
         uint16_t file; // File handle.
         size_t length; // Maximum number of bytes to write.
     };
-
+```
 
 This call attempts to write up to `length` bytes to the file handle `file`, from
 the buffer pointed to by `src`. On success, the C accumulator will contain STATUS_OK,
@@ -371,10 +379,12 @@ Return Values:
 
 Argument Structure:
 
+```
     struct {
         char *src; // Fully-qualified source pathname.
         char *dest; // Fully-qualified destination pathname.
     };
+```
 
 This call attempts to move or rename the specified `source` file to `dest`. On success,
 C will contain STATUS_OK. On error, C will contain a negative value indicating the