| Symbol | Specification | Kind | Type |
|---|
| # . | file-content | f | file-content → nat |
| # . | buffer | f | buffer → nat |
| . + . | nat-basic | f | nat × nat → nat |
| . + . | buffer | f | buffer × buffer → buffer |
| . +1 | nat-basic | f | nat → nat |
| . - . | nat | pf | nat × nat → nat with λ n, m. n ≥ m |
| . -- . | file-content | f | file-content × nat → file-content |
| . -1 | nat-basic | pf | nat → nat with λ n. n ≠ 0 |
| . .content | abstract-file | f | abstract-file → file-content |
| . .content:= . | abstract-file | f | abstract-file × file-content → abstract-file |
| . .meta | abstract-file | f | abstract-file → metadata |
| . .meta:= . | abstract-file | f | abstract-file × metadata → abstract-file |
| . .nlink | abstract-file | f | abstract-file → nat |
| . .nlink:= . | abstract-file | f | abstract-file × nat → abstract-file |
| . .size | abstract-file | f | abstract-file → nat |
| . .size:= . | abstract-file | f | abstract-file × nat → abstract-file |
| . < . | nat-basic | p | nat × nat |
| . > . | nat | p | nat × nat |
| . [ . ] | file-content | pf | file-content × nat → buffer with λ content, n. n ∈ content |
| . [ . ] | buffer | pf | buffer × nat × data → buffer with λ buf, n, d. n < # buf |
| . [ . ] | buffer | pf | buffer × nat → data with λ buf, n. n < # buf |
| . [ . ] | file-content | f | file-content × nat × buffer → file-content |
| . ∈ . | file-content | p | nat × file-content |
| . ∈ . | buffer | p | data × buffer |
| . ≤ . | nat | p | nat × nat |
| . ≥ . | nat | p | nat × nat |
| . ⊆ . | file-content | p | file-content × file-content |
| ∅ | file-content | c | file-content |
| VFS_PAGE_SIZE | page | c | nat |
| abstract-file | abstract-file | s | |
| af | abstract-file | v | abstract-file |
| buf | buffer | v | buffer |
| buf0 | buffer | v | buffer |
| buf1 | buffer | v | buffer |
| buf2 | buffer | v | buffer |
| buffer | buffer | s | |
| cmp | buffer | pp | buffer × data × nat × nat with λ buf, d, m, n. m + n ≤ # buf |
| cmp | buffer | pp | buffer × nat × buffer × nat × nat with λ buf, m, buf0, m0, n. m + n ≤ # buf ∧ m0 + n ≤ # buf0 |
| content | file-content | v | file-content |
| content0 | file-content | v | file-content |
| content1 | file-content | v | file-content |
| content2 | file-content | v | file-content |
| copy | buffer | pf | buffer × nat × buffer × nat × nat → buffer with λ buf, m, buf0, m0, n. m + n ≤ # buf ∧ m0 + n ≤ # buf0 |
| d | data | v | data |
| d0 | data | v | data |
| d1 | data | v | data |
| d2 | data | v | data |
| data | data | s | |
| empty | buffer | c | data |
| file-content | file-content | s | |
| fill | buffer | pf | buffer × data × nat × nat → buffer with λ buf, d, n, m. n + m ≤ # buf |
| fill | buffer | f | buffer × data → buffer |
| id○ | buffer | p | buffer × buffer × nat |
| idrange | buffer | pp | buffer × nat × nat with λ buf, m, n. m + n ≤ # buf |
| m | nat-basic | v | nat |
| m0 | array-copy | v | nat |
| m1 | abstract-file | v | nat |
| m2 | abstract-file | v | nat |
| max | min-max | f | nat × nat → nat |
| md | metadata | v | metadata |
| md0 | abstract-file | v | metadata |
| metadata | metadata | s | |
| min | min-max | f | nat × nat → nat |
| mkbuf | buffer | f | nat → buffer |
| mkempbuf | buffer | f | nat → buffer |
| mkfile | abstract-file | f | nat × metadata × nat × file-content → abstract-file |
| mkzbuf | buffer | f | nat → buffer |
| n | nat-basic | v | nat |
| n0 | nat-basic | v | nat |
| n1 | nat-basic | v | nat |
| n2 | file-content | v | nat |
| n3 | file-content | v | nat |
| n4 | file-content | v | nat |
| nat | nat-basic | s | |
| range= | buffer | p | buffer × nat × buffer × nat × nat |
| resize | buffer | f | buffer × nat → buffer |
| rev | buffer | pf | buffer × nat → buffer with λ buf, n. n ≤ # buf |
| rev | buffer | f | buffer → buffer |
| splice | buffer | f | buffer × nat × buffer × nat × nat → buffer |
| subarray | buffer | pf | buffer × nat × nat → buffer with λ buf, m, n. m + n ≤ # buf |
| zero | buffer | c | data |
| zeropage | page | c | buffer |